## 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

- 0
- 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.**

- There are 5 jars with 4 cookies in each jar. How many cookies are there?
- An idli vessel contains 6 idli plates. We can make 4 idlis for each plate. How many idlis can be cooked in one go?
- 30 cookies are to be distributed among 5 children equally. How many cookies will each child get?
- 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?
- Toto does not take jumps of the same size and still reaches 18 in 6 jumps. How did Toto jump?
- Suma saves 8 every day. After how many days will she have ₹56?
- 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.**

- 4 x 9
- 32 % 8
- 6 x 7
- 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 sp****iders 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**

- 18 auto rickshaws?
- 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**

- All 50 rupees notes?
- All 20 rupees notes?
- 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.