CBSE Solutions For Class 3 Maths Chapter 11 Filling And Lifting

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?