Kristensmith Taylor

CBSE Notes For Class 3 Maths Mela Chapter 14 The Surajkund Fair

Soni and Avi are going to see a fair with their grandparents. They are going to Surajkund in Faridabad district of Haryana. Let us join them and have fun.

Let us Discuss

• What do you see in the picture?
• Spot things in the picture that look the same from the left and right sides.

Read and Learn More CBSE Solutions For Class 3 Maths

Make Malas

Soni and Avi reach a stall where a man and a woman are making malas with beads.

Let us Do

1. Colour the beads in the strings using two colours (Qs a) to show the malas that you have made.

Question 2. On the previous page, tick the symmetrical males.

3. How many such malas can be made? Discuss.

1. Tick (✓) the malas that are symmetrical and cross (✗) the one(s) that are not symmetrical.

2. Now, use 6 beads of one colour and 2 beads of another colour to make symmetrical males.

Vanakkamj Rangolis All Around !

Soni and Avi arrive at the stall of Tamil Nadu. Amma was maldng kolam in front of the hut.

Follow the steps:

Let us Think

1. Observe the rangolis given below. Are all rangolis symmetrical?

2. Trace these rangolis on a paper. Fold the tracing paper in such a way that one half of the rangoli lies exactly in the other half.

3. Draw lines in the given rangolis that divide them into two identical halves.

4. Look for other symmetrical things around you. Discuss.

Let us Do

Enjoy making rangolis

1. Draw and complete the symmetrical rangolis given below.

2. Draw some more rangolis in your notebook that are symmetrical.

Make Masks!

Tit for Tat

Soni gets her Picture made by a painter.

Let us Think

1. What is the trick the painter is playing? Find things for the painter to draw so that he can no longer play the trick. Draw three such things here.

The Mirror Game

Soni and Avi started playing this game. Let us play with them.

Has Avi placed the counters in the right places? Check it by placing the mirror on the line drawn.

Let us Explore

1. Pick the odd one out and give a reason.

2. Fill 4 boxes with red and 3 with blue in such a way that one side is the mirror image of the other.

In how many ways can you fill it? Think, think!

Question 3. Make Micy’s side the same as that of Catty’s side. You can rearrange only three balls on Micy’s side.

4. Which shape cutouts would fit in the given shape without overlapping and without gaps?

Let us Do

1. Use rangometry shapes to fill the shapes with no gaps and overlaps.

Making Tiles, Creating Paths

Soni and Avi have started making their own tiles by joining different shapes.

Let us Do

1. Use two or more rangometry shapes to create your tiles. Now trace the tiles to create different paths.

2. Try making paths.

Giant Wheel

Read the conversation between Soni and Avi and mark the place they are talking about.

Let us Play

Imagine yourself sitting with Soni and AvL You think of a place or a stall and challenge your friend to find out which stall you have in your mind. You can help them guess by answering yes or no.

Search for Dada and Dadi

Soni and Avi’s Dada and Dadi were missing. They hear their announcement.

Let us Do

1. Help Soni and Avi read the map and find the following:

• Which place does the sign show?
• Circle the picture on the map that shows the play area.
• Which place does the sign show?
• How many exit routes are there in the fair?

2. Follow the path that Avi and Soni are following.

• Walk on the blue lane.
• Turn right on the green lane.
• You will see a restaurant on your right. Don’t sit there.
• Take a left towards the red lane.
• Take the first left turn towards the golden lane. Stalls will be
  seen on the way.
• Pass the stalls to find the Chaupal and meet Dada Dadi.

3. An uncle asks Dada Ji the way to the ATM. Tell him the way to the ATM from the chapel.

Let us Do

1. There are two ways to go out of the Surajkund fair. One seems to be a maze and the other goes straight there.

Follow the maze with Soni and Avi to exit the fair.

Question 2. Share the way you went through the maze. Write the things you found on the way.

CBSE Notes For Class 3 Maths Mela Chapter 13 Times Goes On

Appa bought a new calendar,
Amma points out a big blunder.
Missing was the month of July,
I wonder, where did it fly?
Don’t worry, don’t worry,
I have a solution to your query.
July and January look the same,
Let us play the calendar game.

Read and Learn More CBSE Solutions For Class 3 Maths

Let us Do

Make the calendar for the month of July 2024.

Observe the July month and complete the following.

1. Number of Sundays _________.
2. Write the dates in this month that are Thursdays ________.
3. Three days after July 22 is July _________.
   The day on this date is _______
4. A school closes on July 7 for 15 days. The date on which the school will open is ________

Let us Explore

Collect calendars for the Inst two years. Observe the Following in both the calendars:

1. What is the same? What has changed in the years? Tick (✓) the correct answer.

1. Names of the months Same/ Changes
2. Days in a month Same/ Changes
3. Days in a week Same/ Changes
4. Number of Sundays Same/ Changes
5. Number of weeks in a year Same/ Changes

Circle the festivals that fall on the same date.

Let us Do

1. Write the names of the 12 months in a year.
2. Months that have less than 30 days ________
3. Number of days in a year __________
4. Metal says there are 53 weeks In a year. Is she right? Yes/ No.
   If not, how many weeks did you find In a year?

Age Fun

Talk to your mother and find the following.

Hetal is twice as old as her brother. She is also 10 years older than her brother. Guess the age of Hetal and her brother.

Let us Do

Look at the birth certificate of Bincy and answer the following question.

1. 2/5/2015 shows that Bincy was born on 2 (April/May/
   June/July) in the year 2015.
2. How old will Bincy be on 2 May 2025? __________.
3. How old will she be in 2030? __________.
4. Eighth Birthday of Bincy was on __________.
5. Bincy was _______ months old on 2 August 2015.
6. After how many days of her birth was the certificate issued? _________

Let us Do

1. Make your own birth certificate.

2. Complete the following by writing the dates in the boxes given below:

Let us Play

Get a working analog clock or watch. Observe the face of the clock and the movements of the hands. Discuss what you observe.

Let us Do

1. Hetal started her breakfast at 7 o’clock in the morning. She finished her breakfast at 07:15 in the morning.

She took _________ minutes to eat her breakfast. how do you know?

2. Draw the hour hand and minute hand on the clock to
show the following;

Let us Do

A Day in the Life of Hetal.

Match the activity with the statement shown in the picture, Write the time and draw the minute hand and the hour hand wherever it is required.

Visit to Nani’s House (Grandma’s House)

Let us Think

Fill the table by writing events or activities from your daily life that can take the following durations of time. One is written as an example in each column.

3. Write the number of minutes taken for the following activities.

4. Write down what you can do in the time frame given below.

5. Write the number of minutes passed by looking at the movement of the minute and hour hands.

Let us Explore

You may have seen digital watches or clocks in various places. Where have you seen them?

1. What is the difference between the above two clocks?
2. Which clock do you have on your school wall?

Duration of time is also measured using sand clocks. Make your own sand clock (timer), in the presence of an adult.

Materials required:

1. Two waste transparent or glass bottles of small size with caps.
2. Strong glue to join bottle caps.

Process:

Join the tops of the bottle caps with each other using a strong glue.

Make a small hole with a fine needle at the center of the joined caps.

Fill one of the bottles halfway with fine sand and close the bottle with the joined caps.

Attach the second bottle on the other side of the joined caps.

Find out how much time it takes to shift the sand from one bottle to the second one by looking at the clock. Your sand clock is ready for use. You may use it to time while playing different games.

CBSE Notes For Class 3 Maths Mela Chapter 12 Give And Take

Kishan runs a big plant nursery where he puts different varieties of plants. Villagers often come and take saplings from him to grow in their houses.

Read and Learn More CBSE Solutions For Class 3 Maths

1. Kishan had 364 saplings of different herbs and flowers. Then he went to his friend’s village and brought 52 saplings from there. How many saplings does he have now?

Let us draw a box diagram for the problem.

364 Saplings + 52 Saplings = __________ Saplings

364 + 52 = _________

You can also use a number line to solve it.

2. Kishan has got an order to deliver 230 saplings to a school. He has packed 75 saplings in an open box. How many more saplings does he need to pack?

We write the given problem as a box diagram:

Subtracting 5 ones from 10 ones, we are left with 5 ones. Now we have to take away 70. Remember opening a hundreds block gives us 10 blocks of 10s.

Krishan has _________ saplings now.

Let Us Do

Draw box diagrams, as shown above, to solve the following problems. Then use HTO blocks or a number line to solve the problems.

1. Kishan has 456 saplings in August. He distributed 63 saplings. How many saplings are left with him?

2. Kishan has a collection of 309 saplings. He gets 80 more saplings of flowering plants. How many saplings does he have now?

3. Kishan has 270 saplings of herbs and his friend has 36 saplings of herbs. How many more saplings does Kishan have than his friend?

Write word problems using the numbers given in the box diagrams below and solve them. You can take help from the pictures for appropriate contexts.

Use the grid below to solve the following questions. Color your answers in the grid.

Do as directed.

Many years ago, in the Village ‘Of Jadupur’, people exchanged things based on their needs. Shaamu Kaka gave 5 sacks of rice to Dariya Didi. She in return gave 10 sacks of vegetables. Dariya Didi got 2 sarees from Bablu Dada by giving 5 sacks of onions.

Like this, people in the village exchanged their things. Shamu Kaka got vegetables for the rice he gave. Dariya Didi gave lots of onions to Bablu Dada for the two sarees. Discuss in class why people in this village had to give different quantities while exchanging things.

These days we use money in exchange for things we need. Notes and coins come in different values which are used to buy different things.

For example, one 10-rupee note can buy one Hawa Mithai or ten toffees.

One Hawa Mithai costs more than a toffee. Salma buys two bottles of milk for ₹ 100. Kiran buys a basket of pomegranates for ₹ 100.

Circle the one that costs more: a milk bottle or a pomegranate?

Think of two things that we can buy using the same note.

Match the notes and coins in the two columns that have the same values.

Use the following notes and coins to buy the things given below. Find at least two ways of giving the money. You may use the notes and coins more than once.

In the morning, Peter’s uncle has ₹ 465 in his money box. By afternoon, he has ₹ 756. How much has he earned since morning?

Today, Peter’s uncle sold rice for ₹ 640 and sugar for ₹ 215. How much money has he earned from this sale?

Let us do

Solve the following problems using box diagrams. Estimate the answers. Then use notes of ₹ 100s, ₹ 10s, and ₹ 1s or a number line to solve the problems.

1. One day Peter’s uncle earned ₹ 650. The next day he earned ₹ 250 more. How much money had he earned by the second day?
2. Reena bought groceries for ₹ 209. She gave a ₹ 500 note to Peter’s uncle. How much money should Peter’s uncle return to Reena?
3. Shireen has ₹ 150 in her piggy bank. She puts ₹ 100 every week in her piggy bank. How much money does she have at the end of four weeks?
4. Peter’s uncle saved ₹ 250 in the first month, ₹ 125 in the second month, and ₹ 350 in the third month. How much has he saved in these three months?

image

Estimate the answers to the nearest hundred. Share your thinking in the class.

Compare the given problem statements in each row, without calculating. Circle the one that is more. Share your thinking in class.

Find the pairs that are equal. Share your thinking in class.

Fill in the boxes with appropriate numbers.

Making cards with numbers 0-5. Make two 3-digit numbers using these cards. Add the two numbers and subtract the two numbers. Rearrange the cards and try to get a bigger sum. Rearrange the cards and try to get a smaller difference.

Check with your friends who have got the biggest sum and smallest difference.

Let us Do

1. 265 + 9
2. 405 + 56
3. 825 + 175
4. 600 – 82
5. 568 – 5
6. 653 – 356

CBSE Notes For Class 3 Maths Mela Chapter 11 Filling And Lifting

Chintu reads the poster and tells Shambhu:

Why do you think Chintu does not take the challenge? Do you think you can take the challenge?

Read and Learn More CBSE Solutions For Class 3 Maths

Whose glass holds more?

Nita and Monu visit Ritu’s house. Ritu’s mother gives them milk in different glasses. Who do you think gets the most milk?

Ritu’s elder sister finds out who drinks the most milk like this.

She pours the contents of the glasses into three same-sized glasses.

Let us discuss

1. Who drank the most milk?

2. Who drank the least milk?

3. Fill in the blanks with ‘more’ or ‘less’.

1. Nita’s glass holds _______ milk than Monu’s glass.
2. Monu’s glass holds _______ milk than Nita’s glass.
3. Ritu’s glass holds _______ milk than Nita’s glass.

4. Tick (✓) the right name.

1. Nita/Monu/ Ritu’s glass holds the most milk.
2. Nita/Monu/ Ritu’s glass holds the least milk.

Let Us Do

Get three vessels (like a small bowl glass and bottle ) of different sizes from your home. Guess: how many small bowls will fill the glass? How many glasses will fill the bottle? First, guess and then pour water from one vessel into another to check if your guess is correct.

Fill in the blanks with ‘the most’ or ‘the least’.

1. The glass holds _______ water.
2. The bottle holds _______ water.

Let Us Do

1. How many ladles fill the bowl? __________

2. How many glasses can be filled by the jug? _________

3. What will you use to fill half of the glass?

4. Which of these would you use for distributing the lemonade in glasses? Why?

5. How many glasses can be filled with 3 jugs of lemonade?

6. How many ladles are needed to fill 4 glasses?

7. Can you use a ladle, bowl, or glass to find out how much lemonade a jug can hold?

A Measuring Bottle

Nita sees the milkman pour milk using a measuring cup every day.

Why do you think milkmen use measuring cups for giving milk? Discuss with your parents, grandparents, and in your class.

Nita pours water from the bottle into the jug. The jug is exactly 1 liter.

Let Us Discuss

Question 1. Tick (✓) the appropriate word in the sentences given below.

1. The glass holds more than/less than 1 liter.
2. The bowl holds more than/less than 1 liter.
3. The jug holds more than/less than/exactly 1 liter.

Let us think

Look at the picture and tick (✓) the appropriate word.

1. The mug holds a liter/half a liter of water.
2. The glass holds a liter/half a liter/quarter liter of water.

Let us Explore

First guess and check with the 1-litre bottle.

1. How much water does a bucket hold at your home: more than/less than/equal to 1 liter?
2. How much water does a mug hold at your home: less than/more than /equal to half a liter?
3. How much water does a glass hold: less than/more than /equal to a quarter liter?

Heavy or Light?

Chintu is holding 3 textbooks in one hand and a pencil box in the other hand for 30 seconds.

Discuss in pairs why one hand of Chintu is lower than the other. Try holding the following things in both hands. Make observations in pairs. Which is heavier and which is lighter?

Do you and your Mends agree on which is lighter and heavier?

Let us do

Question 1. Write the names of the objects and their weights in the table given below:

Question 2. Let us make another weight to measure slightly heavier objects. Fill a matchbox with sand and use this to weigh the following objects. Guess the weight in terms of matchboxes and then verify.

Write the names of all things measured in the order of lightest to heaviest.

Let us Do

Weight hunt

Do this activity in groups. Among your group find a bag that is heavier than yours. Find a bag that is lighter than yours. Discuss.

1. Why is your bag behavior lighter?

2. Count the number of books to see if there is a difference in the number of books in the bag.

3. Can you make the two bags of about the same weight by moving a book? Discuss.

How much is 1 Kilogram?

With the help of your parents, find objects in your home on which 1 kilogram is written. Feel it with your hand and guess what other objects may be 1 kilogram. Verify by checking on the label of the object or by asking your parents.

4. Write the names of the objects that are 1 kilogram.

………….., ……………

Let us keep a 1-kilogram salt packet or any other readily available packet as our measuring tool.

5. Can you guess which of these things are likely to be lighter or heavier than 1 Kilogram? Put a tick mark in the appropriate box.

6. look at the balance and tick the correct word.

Let us Explore

Look around your house and identify objects that are about half a kilogram and a quarter of a kilogram. Feel these things with your hand and guess what other things are a half or quarter kilogram. List the objects that are about a quarter kilogram and a half kilogram. Verify with the 1-kilogram salt packet.

Tricky balls

1. Montu poses a puzzle to his friends: 3 balls look similar in size. One of them is heavier and 2 balls are equal in weight. You have only a pan-balance and no weights. Using the 3 balls and the pan-balance, can you identify which is the heavy ball?

1. How many times will you have to weigh?

2. Use the balance only one time and tell which is the heavy ball.

Question 2. There are three same-sized balls of different weights and colors: Red, Orange, and Green.

You can use the pan balance for it but cannot use weights.

How will you find which one is the heaviest and which one is the lightest?

NCERT Notes For Class 3 Maths Mela Chapter 10 Fun At Class Party!

Children of Class 3 are preparing for a celebration in the class. Look at the picture.

Let Us Do

Discuss and explain how you answer these questions based on the picture given above.

1. What are the various activities shown in the picture?
2. How does Shelly find the height of the door?
3. Leena and Adi use their hand spans to measure the length of the same table. Will they both get the same measurement?
4. Circle the child with the longest ponytail.
5. Tick (✓) paper strings in the classroom that are as long as the height of the window.
6. Find the distance between the two walls of the classroom. How did you find it? Can there be other ways of measuring it?
7. Identify all the ways that children are using to measure length in this picture. Which way do you think is better and why?

Children of Class 3 are decorating the board with paper strings of different colours.

Read and Learn More CBSE Solutions For Class 3 Maths

Let Us Do

1. In the picture above, colour the paper strings as instructed below.

• Colour the shortest paper string with red. Discuss how you identified the shortest string.
• Colour the longest paper string with green. Discuss how you identified the longest string.

2. How many more colourful paper strings will be needed to decorate the border of the green board?

3. How many of them are needed to decorate the entire border of the board?

Let Us Do

1. Cut and paste a wool or cotton thread as long as the line is given below.

2. Draw a string longer than the string given below.

3. Draw a string shorter than the decoration string Shelly and Adi are holding.

4. Draw the other half of the moustache which is as long as the half of the moustache on the face shown in the picture.

5. Look at the strings and help Adi choose the longest one. How did you find out? Discuss.

Shelly and Adi need to take a large table inside the classroom for the party. The table is too heavy for both of them to move. Without lifting the table, how can they figure out if the table can go through the door of the classroom? Help them find out what they must do.

Can there be a take the table inside the door if both the length and the breadth are more than the width of the door?

Let Us Play

Make a bridge using boxes bags or any other objects available in your class. Place or arrange the boxes so that the bridge does not move. Take some objects from your class and guess if the objects can go through the bridge.

Can you name some things that cannot pass through your school gate? Discuss.

Are these true for all?

Children are measuring their body parts to make costumes for the drama.

They have made the following statements. Do you think they are true for all children? Let us check. Take help from your friends to measure. Tick (✓) the correct answer.

1. Your head is 3 handspans round. True/False
2. The length of your forearm is equal to the length of your feet. True/False
3. Your height is equal to the length of your arms wide open. True/False

Shelly wants to make curtains for the drama. Leena got her mother’s saree. Adi used his pencil to measure the length of the wall.

Steps for making a metre-long rope:

1. Take a metre rod or an inch of tape and a rope or a thread.

2. Make a knot at one end of it.

3. Keep the metre rod along the rope.

4. Mark one metre on the rope and make a knot there.

5. Now the length between the two knots is one metre. Check again
whether the rope measures one metre.

Measure your height by marking one metre on the wall of your class.

Write the names of your friends whose heights are more than one metre and whose heights are less than one metre.

Circle the tallest among these children:

Who is the tallest among them? Discuss.

Write the names of the objects around you, whose length is one metre, more than one metre, and less than one metre.

Let Us Do

1. Find the lengths of different objects by using one-metre, half-meter, and quarter-metre ropes. Write their names and tick (✓) in the appropriate boxes.

2. Cut a one-metre-long rope into 4 equal pieces. How many cuts did you make?

3. Take a ball or disc and try to throw it as far as you can. Now measure how far the throw was.

Do it for fun

1. Measure the height of your teacher or parent using a metre-long rope or a strip.
2. Estimate and cut one-metre long wool or thread. Ask your friends to do the same. Now verify with the help of the metre rope whose estimate is the closest.
3. Cut a one-metre-long rope into 4 equal pieces. How many cuts did you make?
4. How many footsteps fit into a metre rope?
5. Use a metre rope to find how long is the side of the glass wall.

 

CBSE Notes For Class 3 Maths Mela Chapter 9 House Of Hundreds-2

One day, Akbar and Birbal were walking in a garden. Many crows were flying in the sky around them. Akbar was curious to know how many crows there were.

He announced a prize for anyone who could find this out.

People were wondering how to count crows which kept flying from one place to another. Akbar asked Birbal if he could figure this out.

After thinking for a day, Birbal said “There are exactly Nine Hundred and Sixty Three crows in our city”.

Akbar was surprised and asked Birbal, “How can you be so sure”?

“You can get them counted,” said Birdal.

“What if there are less?” asked Akbar.

Read and Learn More CBSE Solutions For Class 3 Maths

“The other crows would have gone on a holiday,” said Birbal.

“What if there are more?” asked Akbar.

“Crows from other places would be visiting the city,” said Birbal.

Akbar was happy with Birbal’s reply and gave him the reward.

Draw tiles like the driver to show the following numbers. You can do it in your notebook.

1. 832 ___________
2. 947 ___________
3. 726 ___________
4. 504 ___________
5. 620 ___________
6. 700 ___________

Let us locate the following numbers on the number line: 530, 540, 628. 696, 590.

Also locate the following numbers on the number line: 703, 721, 759, 810, 855, 887

Let Us Think

1. Write the appropriate numbers between which each of the given numbers lies.

2. Help cranes reach their food using the number line.

Tambola

3. Fill the grid with numbers between 570 and 630. Strike out nil the numbers that match the clues below. You can strike out more than one number. The child who has the most numbers canceled is the winner. One example is given below.

Write different ways of making the following numbers.

Skip and solve

Teji and Jojo are resting. Ajji asks them to complete the number patterns. Let us help them fill in the empty boxes.

Let Us Do

1. Write number sentences for the numbers In the center.

2. Write numbers in the blank spaces such that they meet the conditions.

Number Puzzles

3. Fill the numbers 384, 23, 176, and 905 in the empty circles such that they meet the conditions.

4. Match the quiet on the left with the appropriate numbers on the right.

5. Match the following such that all the conditions are met.

The Number Detective

Let us have some fun, with numbers and patterns, everyone

Look at the hundreds 100, 200, 300

Jojo wonders why they’re so neat, Teji says 876 and 321 too have the same beat!

Now, numbers that repeat, just the same, 11, 22, and 33, have twin digits. 111, 222, and 333 are triplet digits.

Can you find more such numbers that follow the pattern?

Here are more numbers that look the same, from left to right, and right to left: 353, 868.

Finding them is a fun game. Write other such numbers.

Teji likes numbers with zeroes. She knows numbers like 210, 404, and 800. Write more such numbers:

Write more such numbers:

Let Us Do

1. I have 6 blank paper slips. 1 can write 100, 10, or 1 on each of them. What numbers can I make with these 6 slips? Discuss.

2. Make other numbers.

1. What is the largest number that can be made? ________
2. Are there numbers that can not be made using these slips? Find out.
3. What is the smallest number that can be made? _______

My Numbers

Take the digits 3 and 8 and make as many 2 or 3-digit numbers as you can. You can repeat the digits.

Let Us Think

1. Teji is making numbers using words! She shows the blue cards and says it is 12. She shows the yellow cards and says 14. Why?

Figure out what Teji is doing.

2. Ajji showed some more numbers.

This way of saying numbers using words is called Bhutasankhya, which means Word Numerals.

3. Think of other words for 0-9.

Make new cards for the numbers 15, 27, and 94.

CBSE Note For Class 3 Maths Mela Chapter 8 Fair Share

Shabnam and Mukta are enjoying their lunch break.

How do you think they are going to share the chocolate and the paratha equally?

Think about a strategy that you can use to check whether two pieces are equal or not.

Let Us Discuss

1. How do you share objects equally?

Read and Learn More CBSE Solutions For Class 3 Maths

2. Why is Shabnam folding the paratha over itself?

This is a whole paratha.

Tick (✓) the paratha that has been cut equally.

Let Us Do

1. Circle the shapes where half of the whole is shaded.

2. Draw a line to show one-half of the whole.

3. Shabnam has eaten some chikki from 3 sides. Tick (✓) how much chikki is left?

1. Less than half
2. More than half
3. Half

4. Show by coloring half a chikki that has been eaten from 2 sides.

5. Draw lines to show different ways of making a half.

6. Complete the whole picture by drawing the other half.

Let Us Explore

Take a rectangular sheet of paper and fold them in half. Find all the different ways to make a half.

Take a square piece of paper and fold it in half. Find all the different ways to make half.

Let Us Discuss

There was an old man with two sons Amit and Bala. He gave a mango tree, a solar lamp, and a woolen blanket to them. He asked them to share these things among themselves. Amit was a cunning man. He told his brother Tet to share the objects equally. I will keep the fruits, you keep the tree. I will keep the lamp at night, but you can keep it during the day. I will keep the blanket for half the year during winter. You can keep it for half the year during summer.’ Bala agreed. Is this a fair way of sharing? Is there another way to share it fairly?

Let Us Do

Here are some mangoes. Share them equally between the two children.

Half And Double

3 is half of 6. 6 is double of 3.

Fill in the following blanks using double or half.

Guess who am I?

Use the clues to find the right fraction. Tick (✓) the box from the given 3 options.

1. I have less than double of 3 marbles. I have more than half of 8 marbles.

2. I have less than double of 4 marbles. I have more than half of 10 marbles.

What part of the chikki did each get? How many quarters in a whole?

Let us Do

1. Tick (✓) the objects that show quarters.

2. Draw lines to make a quarter of the whole.

3. Draw the remaining three quarters and complete the whole.

4. Draw the remaining quarters to complete the whole.

Half or quarter?

Tick (✓) the appropriate word to fill in the blanks below.

Shabnam has colored half/a quarter of the birds.

Mukta has colored half/a quarter of the birds.

Shabnam has colored half/double the number of birds that Mukta has colored.

Lakshanya and Peehu have 16 flowers each.

Lakshanya tied half/a quarter of her flowers.

Peehu tied half/a quarter of her flowers.

Lakshanya tied half/double the number of flowers that Peehu tied.

Quarters and Whole

Let Us Do

1. Tick (✓) the shapes below that show three-quarters.

2. Color the shapes below to show the fractions as instructed.

3. Draw lines and color the shapes below to show the fractions as instructed.

4. Here is a rectangle that shows quarters. Discuss how.

5. Show quarters and halves in different ways in the grids given below.

6. Use the fraction puzzle pieces from your book to form a whole.

CBSE Notes For Class 3 Maths Mela Chapter 7 Raksha Bandhan

Tomorrow is Gopal’s favorite festival.

Gopal and Dhara are very excited. Their beloved Atya (father’s sister) is visiting them today. They have cleaned and decorated their house.

Carefully observe Gopal’s house.

Read and Learn More CBSE Solutions For Class 3 Maths

What do you find interesting here?

Find and count the number of each of these objects and write.

• leaves
• Glasses
• Pomegranate
• Flowers

Celebration Begins!

Dhara’s mother has bought some materials for the festival. Guess the festival they are preparing for.

Let’s make Rakhis

Try It Out!

For making 10 such Rakhis, we need ____ flowers, ______ threads, and beads.

There are 30 flowers, 30 threads, and 30 beads. How many Rakhis can you make with this material? Use drawings if needed to find out the answer.

Fun activity

Try making a colorful Rakhi at your home. Show it in the class.

Jagannath Sweet Shop

Imagine yourself to be Dhara. Distribute 18 laddoos equally among nine of your friends. Let’s see how Dhara has done it.

When 18 laddoos are shared equally among nine people, each of them gets ______ laddoos.

18 equally shared by 9 is 2 each.

Or, 18 % 9 = 2 laddoos

Try it out!

Look at the figure carefully. Estimate the number of kaju katlis.

Count and write the number of kaju katlis.

Total number of kaju katas = _______

Distribute all kaju katlis equally among 5 people. You can do it by drawing kaju katlis on the plates. How many will each get?

Compare your work with Dhara’s work.

20 equally shared by 5 is 4 each.

20 + 5 = 4

Let Us Do

Question 1. Distribute all the kaju katlis equally among 4 people. How many kaju katlis will each get?

Let us do this in the picture given below. Strike out the kaju katas from the tray and draw them on the plates. The first step has been done for you.

Question 2. Distribute all the 15 pedals in plates equally among 5 people. How many pedals will each get?

Let Us Think

Question 1. Each cycle needs 2 wheels. How many cycles can be fitted with 12 wheels?

Question 2. Look at the picture carefully. Count the number of jalebis.

There are ______ jalebis.

How did you count? Discuss with your friends.

Counting in groups, we see there are six groups of four jalebis each,

Are there enough jalebis for everyone in ‘Dhara’s family to have four each? Share your thoughts in the class. How many jalebis should Dhara buy so that everyone can get four each?

Plants in the garden

Dhara and Gopal see a flower bed on their way home.

Dhara: The number of plants is

6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 = _______

8 times 6 =

= 8 x 6 =

Gopal: No, it is 8 + 8 + 8 + 8 + 8 + 8 = 6 x 8

Who do you think is correct?

Different ways of grouping.

Can you complete this equal grouping and write it as multiplication?

Can you find more equal groups of different sizes? Draw them and write them as multiplication.

Visit to a Farm

The next day the children take their Appa and cousins to the farm.

They see a lot of chickens there. Let us count chickens on the farm!

Skip Jumping Game

In the evening, the family goes to the playing field.

Atya draws a curvy number track on the ground with a stick. She asks Dhara to write numbers starting from 0.

Starting from 0, Dhara jumps to 3. From 3 she goes to 6. From 6 she goes to 9. Now continue to see how Dhara jumps after 9.

Let Us Do

Question 1. Guess and write the next number she will jump onto.

Question 2. Is there a pattern in these numbers: 3, 6, 9, …?

Question 3. How many steps forward is Dhara jumping each time?

Question 4. Continue Skip Jumping by 6 by drawing the jumps on the number track.

Question 5. Can this skip-jumping be used to form the times-6 table? Write the times-6 table in your notebook.

Question 6. Is there repeated addition happening? Make a times-4 table using repeated addition in the picture given below.

Question 7.

Gopal is doing skip jumping of _____ steps.

After 27 he will jump on _____, _______,

Question 8. What timetable can you construct from Gopal’s jumps? Make it in your notebook.

Question 9. Dhara also skips and jumps. Gopal notes down the jumps but he misses the first few numbers.

By what numbers was Dhara skip jumping? Construct the times table of this number in your notebook.

Let Us Play

Atya places a flower on 12.

Skip jump with equal steps to reach the flower.

No direct jumping to the flower is allowed.

The one who reaches the flower in the smallest number of jumps wins.

What skip-jumping number will you choose? _________

Play this game with your friends by putting the flower on different numbers on the track. See who is able to reach the minimum number of jumps.

Are there numbers that can be reached only through skip jumping by 1? Find 3 such numbers.

Fun Way of Writing Tables

Mithu figured out another way of writing multiplication tables: by drawing sticks! Do you see repeated additions in this?

Let’s try making a 5 times table with sticks.

Complete the times-5 table using sticks.

Make times-6 to times-10 tables using the sticks method shown above.

Multiplication Tables

Seeing Patterns in Multiplication Tables

Look at the times-5 table. What patterns do you see?

Guess what will be the last digits of 11 x 5 and 12 x 5. Give 3 examples of numbers that when taken 5 times give an answer ending with

1. 0
2. 5

Without finding the answer, can you tell the last digits of 18 x 5 x 23 x 5, 32 x 5, 50 x 5?

Look at the times tables of 2, 3, 5. They have a relation between them. Can you see it?

Can you find other examples of two tables adding up to a third table?

Let Us Do

Question 1. Draw pictures for each of the following problems in your notebook. Use counting, number line jumps, or any other method to solve the problems.

1. There are 5 jars with 4 cookies in each jar. How many cookies are there?
2. An idli vessel contains 6 idli plates. We can make 4 idlis for each plate. How many idlis can be cooked in one go?
3. 30 cookies are to be distributed among 5 children equally. How many cookies will each child get?
4. Roro starts from 0 and takes 6 jumps to reach 18. All his jumps are of the same size. What is the size of Roro’s jump?
5. Toto does not take jumps of the same size and still reaches 18 in 6 jumps. How did Toto jump?
6. Suma saves 8 every day. After how many days will she have ₹56?
7. Mary has 63 sea shells. She gives 7 sea shells to each of her 5 friends. How many does she have left?

Question 2. Solve the following problems. Try constructing a word problem.

1. 4 x 9
2. 32 % 8
3. 6 x 7
4. 45 % 5

Help Bhim! Bhim will need ____ spokes.

Think and share with your friends how you found the answer. Let us see how Bhim did it.

10 wheels will need:

Another 10 wheels will need ____ x _____ = spokes.

So, the total number of spokes needed is ______ + ______ = ______ spokes.

Try These

Complete the following

40 x 5 = _______

50 x 5 = _______

60 x 5 = _______

70 x 5 = _______

80 x 5 = _______

90 x 5 = _______

100 x 5 = _______

Dhara collected 45 spokes. How many wheels can she make?

How many wheels can you make with 60 spokes?

Let Us Do

Question 1. A spider has 8 legs.

5 spiders will have _____ legs.

10 spiders will have ______ legs.

15 spiders will have _______ legs.

Question 2. How many legs will 23 spiders have?

Question 3. A group of spiders have 32 legs. How many spiders are there in the group?

Question 4. Here is a 3-wheeled auto rickshaw. How many wheels are there in

1. 18 auto rickshaws?
2. 34 auto rickshaws?

Question 5. Auto rickshaws in a garage have a total of 36 wheels. How many auto rickshaws are there in the garage?

Question 6. There is a line of 55 ants (one ant has 6 legs). What is the total number of legs in the line?

Question 7. Micky, the mouse, can sec 48 legs of cows in the shed. How many cows are there in the shed?

Question 8. Karry, the crow, can see 24 horns of cows in the shed. What is the total number of legs in the shed?

Let Us Think

Question 1. A frog is at 0. It takes jumps of only 7. What would be the largest number that the frog will reach before crossing 50?

Question 2. A frog wants to jump backward from 50. It continues to take jumps of 7. What is the number after which it is not possible for the frog to make a jump of 7?

Question 3. What numbers should the frog start from to reach 0, taking jumps of 7 each time? What do you observe?

Puri Beach

Question 1. One wall-hanging cost? 42. How much do two wall hangings cost?

Two wall hangings cost? 42 + ? 42 = 2 x ₹42

The cost of the two wall hangings: ________

Question 2. One Rabdi cup costs? 75. Preeti buys 5 cups of Rabdi. She has her mother’s purse which has only? 100 notes.

How many notes should she give the shopkeeper? How much will the shopkeeper then return to Preeti?

What is the total cost of 5 cups of Rabdi?

Sea Shells

Dhruv lives near the sea. He thought of making a necklace for each of his three friends. He looked for sea shells the whole day. He collected 112 sea shells by the evening. Now, he had many different colored and shiny shells.

He took 28 shells for one necklace.

112 – 28 = 84

Now he was left with 84 shells. Again he took 28 more shells for the second necklace.

• How many shells are left now?
• Then he took shells for the third necklace.
• So he was left with _______ shells.
• Are the shells enough to make necklaces for all his friends? ______
• How many necklaces can Dhruv make from 112 shells? _______.

Try These

Question 1. Kannu makes a necklace of 17 sea shells. How many such necklaces can be made using 100 sea shells?

Question 2. While searching for sea shells, Dhruv also finds 127 shiny pebbles. He distributes them equally to his 3 friends. How many will each get?

Question 3. Preeti has a ? 500 note and wants to exchange it for lower denomination notes. How many notes will she get if she wants

1. All 50 rupees notes?
2. All 20 rupees notes?
3. All 10 rupees notes?

Let Us Explore

There are ten number cards from 1-10. There are five sealed envelopes. Each has two cards On the top of each envelope the multiplication of the numbers contained in it is written.

The 5th envelope contains cards 5 and 9. The number 5 x 9 = 45 is written on the envelope.

Identify the number of cards inside each of the envelopes.

CBSE Notes For Class 3 Chapter 6 House Of Hundreds-1

Ajji, Teji, and Jojo have come to the mela. Guess the number of Torans.

Now find out how many there are.

How many triangles are there in a toran?

Try counting all torans.

Read and Learn More CBSE Solutions For Class 3 Maths

Total torans: 50 more than 200, which is 250.

Guess how many bangles there are

Try counting the total number of bangles. See how Teji is counting.

Total bangles: 200 and 80 more is 280.

Jojo has 2 toffees in his hand.

How many toffees are there altogether?

298 + 1 = 299

299 + 1 = 300

How many more torans to make 300?

How many bangles are less than 300?

Which is more: bangles or torans?

Let Us Do

Question 1. Jojo is jumping on a tiled path inside the mela. Fill in the empty tiles with numbers.

Question 2. Fill in the blanks with the correct numbers.

Question 3.

Question 4.

Question 5. Ants have found food on the ground. Guess how many ants there are. Count and check.

Question 6. Fill in the blanks appropriately.

Question 7. Place the numbers given above on the number line.

235 lies between 200 and 250.

Question 8. Look at the pictures and write the corresponding numbers.

Question 9. Make the number slider as shown in the picture. Increase or decrease the number as given below:

1. 285 – increase the number by one
2. 147- increase the number by ten
3. 367 – decrease the number by 2
4. 289 – decrease the number by 10
5. 290 – increase the number by 20

Let Us Do

Flag game: Let us play a guessing game. Teji has thought of a number between 200 and 210. Jojo has to guess it.

Now you try and play with your friends and guess the number.

Magical Count

Write down any number name. Count the number of letters in that number name and write the name of that new number down. Keep repeating — what happens?

Numbers on a line

Tell Teji, Jojo, and Bhoiu what the next hundred numbers will be. Write it on the number line below.

Can you show the number using matchsticks?

Let Us Do

Teji and Jojo are trying to put their numbers on the following number lines.

Question 1. Locate 216, 243, and 257 on the number line below.

Question 2. Locate 329, 332, 337, 375, and 387 on the number line below.

Question 3. Tell me how far 387 is from 400:

Question 4. Which is more: 393 or 400? Use a number line and show. Fill in the numbers on the number line below and show by jumping how far 393 is from 400.

Question 5. Teji and Jojo are hungry after all the running around. They go to Farooq Chacha’s Sweet Shop.

1. How many pieces of Mysorepak are in one tray? ________
2. How many pieces of Mysorepak are there in total? _________
3. How many laddoos does Chacha have in the trays? ________
4. How many dhoklas does Chacha have? __________
5. Chacha is going to fill the tray with more laddoos. How many more laddoos will make the tray full? __________
6. How many total laddoos will he have after the last tray is full? ________
7. Mark the following numbers on the number line below: 423, 487, 438, 476.

Let Us Do

Question 1. Teji and Jojo saw a big apartment.

Find the house numbers of the shaded houses without counting. Share your strategies.

Question 2. Arvind Dada has to deliver sweets from Farooq Chacha’s shop to different houses. Color the houses to which he has to deliver sweets.

The house numbers are: 209, 228, 242, 258, 267, 276, 290, 315, 346, 367, 389, 395.

Question 3. Write the floor and column number for each of the following houses.

Question 4. Find the following house numbers from the building and write the appropriate house numbers in the blank spaces. What do you notice? Discuss how the house numbers change when moving up and down and left to right.

Question 5. Who am I?

Arvind Dada packs sweets in boxes of 100 (H), 10 (T), and packets of loose sweets (O). The number of sweets for every house is the same as the house number.

Question 6. Draw sweets for each of the following house numbers.

Question 7.

1. Write the house numbers of the yellow and pink houses.
2. Write the pattern you see in these numbers.

Question 8.

Arvind cfoda wants to pack small! boxes of 10 in a big box of 100.

1. How many boxes of 10 can he fit in a box of 100? ______
2. How many boxes of 10 can he fit in two boxes of 100? _______
3. How many boxes of 10 can he fit in four boxes of 100? ______
4. How many boxes of 10 will he find if he opens a box of 100? _______

Question 9. Number hunt

Write the numbers between 200 and 300 that have 5 as a digit. Is 245 one such number? Write the other numbers.

Let Us Play

Do you remember this game? Let us play it again. We will record the actions in the table below. One is done for you.

Show and tell

Create a chain of cards such that every next card answers the question of the previous card. Distribute these cards among the children in the class. A child reads aloud their card and the other child having the answer identifies himself/herself. The game ends when every child has answered a question using their card.

One example is given below:

Let us compare who has more laddoos and show it using the sign more than (>) or less than (<) appropriately. 487 laddoos is more than 423 laddoos

423 addoos is less than 487 laddoos

Now compare 321 and 231. 3 hundred are more than 2 hundred. Do the other digits in the numbers matter here? No. So, 321 is more than (>) 231.

Let us take another example. We are comparing 209 with 290. Both numbers have two hundred. But 9 ones are less than 9 tens. So, 209 is less than (<) 290.

Let Us Do

Question 1. Compare the following numbers and use the signs >, < appropriately.

Question 2. Think and match the following.

Question 3. Circle the smallest number in each row:

1. 374, 473, 347, 437
2. 239,123,321,456

Question 4. Circle the greatest number in each row:

1. 466, 437, 439, 447, 483
2. 464,387,123,256,348

Question 5. Make 3-digit numbers using 3,2, and 4 without repeating any digits, and color the greatest number with red and the smallest number with yellow.

Question 6. Now make more 3-digit numbers using 3, 2, and 4 where you may repeat the digits. Color the greatest number with red and the smallest number with yellow.

Question 7.

1. Arrange the following numbers from smallest to biggest. 456, 389, 207, 99, 110
2. Arrange the following numbers from biggest to smallest. 67, 376, 294, 249, 494

CBSE Note For Class 3 Maths Mela Chapter 5 Fun With Shapes

Let us Do

Question 1. Make Amma’s rangoli on the dots given below.

Question 2. Name the shapes drawn in Amma’s rangoli:

Read and Learn More CBSE Solutions For Class 3 Maths

Question 3. How many shapes are made with __________

1. Curved lines _______
2. Straight lines __________

Question 4. Use shapes and objects from the classroom to make a rangoli design. Outline the object and color.

Question 5. Try to make the following objects using shape cutouts.

Let Us Do

Question 1. Collect some cardboard boxes and open them. What shapes do you see in the flattened boxes?

Question 2. Make an Envelope. Use a square piece of paper and fold it as shown in the picture.

Baking Biscuits

Why did the two children get different shapes? Discuss.

Name any three objects that have rectangular faces.

Let Us Do

Question 1. Trace all the faces of any cuboidal object. (example — sharpener or eraser)

1. How many different faces did you get? ______
2. What shapes are these faces? _________
3. Did you get a square? __________
4. Can you get six different rectangles, by tracing a cuboid? ________
5. Can a cuboid have a face like a triangle? __________
6. The faces of a cuboid are __________ or __________ in shape.

Question 2. Construct the rectangles using the sides given below:

Question 3. Draw 3 bigger rectangles around this small rectangle.

Question 4. Count and write the number of rectangles in the following picture.

Question 5. Look at the different rectangles given below and answer the following questions.

1. How many sides are there in a rectangle? __________
2. How many corners are there in a rectangle? __________
3. Are there any sides in a rectangle that are equal in length to each other? __________
4. What do you notice in a rectangle? Describe it in your own words.

Same To The Same

Question 1. Both have ______ sides

Question 2. Both have ______ Corners.

How many squares do you see in this drawing?

Let Us Do

Question 1. Here is a square. Draw 2 bigger squares around this square.

Question 2. Use matchsticks to make a square so that it has squares on all its sides. How many squares did you get?

Question 3. Complete the squares using the sides given below.

Question 4. Use the square cutouts from the book to do this activity. How many different shapes can you make by joining

1. 2 squares
2. 3 squares
3. 4 squares

Show them in a dot grid. Some dot grids are provided in the back of the book.

Let Us Explore

Question 1. Tick (✓) the shapes that are rectangles.

Which figures are not rectangles? Explain why.

Question 2. Can you fold all the comers of a square sheet in such a way that the number of comers remains the same?

Question 3. Make a square on a cardboard sheet and cut along the dotted lines marked on the square as shown to get 4 triangles. Make as many different shapes as possible by joining three triangles together. How many shapes can you make?

Now try with four triangles together.

Square Corners

Are the comers of a square the same? __________

How do you know?

Pile up some squares over one another and see.

Are the comers of a rectangle the same?

How do you know?

Pile up some rectangles over one another and see.

Are the corners of a square and a rectangle the same?

Name some objects in your class that have only square comers.

Let Us Do

You can join two paper strips to show different comers.

Use the strips to show a square comer, more than a square comer, and less than a square corner.

Can you use the strip to check whether the corners of your table and the board are square?

Question 1. Mark the square comers in these shapes.

Question 2. Connect the dots to make some squares. How many different squares did you get?

Question 3. Look at the picture given below and answer the following.

1. Count and write the number of corners.
2. Circle the square corners.

Question 4. Use two matchsticks to make two square corners and then four square corners. Draw and show it in the space given below:

Question 5. Murugan made three squares with 10 matchsticks. How many squares can you make with 12 matchsticks?

Triangle – Triangle …So many Triangles

Let Us Do

Question 1. Draw and name some triangular objects, that you see around you, in your notebook.

Question 2. Count the number of triangles in the given rangoli.

Question 3. How many different triangles can be made using the dots on this circle?

Question 4. Move two matchsticks to turn one triangle into two triangles.

Circus With Circles

Let Us Discuss

Question 1. Have you been to a circus?

Question 2. What does a circle look like? How is a circle different from a rectangle?

Let Us Do

Question 1. Name some objects that are like circles.

Question 2. Draw colorful circles to complete the circus scene.

Question 3. Draw circles by tracing bottle caps, bangles, and rings in your notebook.

Children are playing a game. They have made a circle on the ground. Have you played any game where you need to draw a circle? ______

Try to make a circle on the playground.

Let’s take a paper plate and fold it in half the way the children did.

The point where the lines meet is the center of the circle.

Make some puppets using circular shapes and play with them.

Let Us Do

Question 1. Look at these two shapes and discuss their similarities and differences. Tick (✓) the appropriate word.

Question 2. Choose any pair of shapes. Share the similarities and differences in these shapes with your friends.

Question 3. Find the largest rectangle in these shapes.

Question 4. I made one triangle. Then I made another row of triangles.

How many triangles are there in the second figure?

If I make one more row, how many triangles will be there in the third figure?

Question 5. Here are some rectangles that are tom. How many square pieces have been tom from each shape?

Question 6. Each of these shapes can be the odd one out.

How is each one added? Discuss.

Question 7. To complete the rectangle, tick() the appropriate shapes from the left side to fill the gaps in the shape on the right side.

Question 8. Draw two lines to split the shape into three triangles.

Question 9. Draw one lane, to split the shape into 3 triangles.

Question 10. Make the following shapes with different sizes and orientations (angular positions) in your notebook.

1. Triangle
2. Rectangle
3. Circle
4. Other shapes

Doors-Dots-Lines

Try to make your own border designs using both curved and straight limes.

Continue the following line pattern.

Tangram

Use the pieces from the tangram puzzle given at the end of the book. Can you create these shapes using some of the pieces?