# NCERT Solutions for Class 3 Math Chapter 8 – Who is Heavier?

#### Question 1:

Are the groundnuts really more than the jaggery (gur) in weight or do they just look more?

No, the groundnuts do not weigh more than jaggery. Both of them are equal in weight i.e. 1 kg. They only look more in number as compared to jaggery.

#### Question 2:

Now guess, for which of these you need a bigger bag: (1) 1 kg popcorn or 1 kg sugar? (2) 1 kg peas or 1 kg potatoes? Go to the market and check if your guess is right.

(1) We need a bigger bag for 1 kg popcorn.

(2) We need a bigger bag for 1 kg peas.

#### Question 1:

How many big mangoes can balance the pumpkin?

Nearly 20 big mangoes can balance the pumpkin.

Disclaimer: The answer may vary from student to student. The answer provided here is for reference only.

#### Question 2:

How many pumpkins can balance you on the see-saw?

6 pumpkins can balance me on the see-saw.

Disclaimer: The answer may vary from student to student. It is highly recommended that the students write the answer as per their own observations and experiences.

#### Question 3:

Name some of your classmates who you think weigh (a) Almost the same as you ____________________________________________________

(b) More than you ____________________________________________________

(c) Less than you ____________________________________________________

Disclaimer: The answer may vary from student to student, based on his/her observation. It is highly recommended that the students prepare the answer on their own.

#### Question 4:

How many books can you lift on one hand keeping your arm straight?

I can lift only one book with my hand keeping my arm straight.

Disclaimer: The answer may vary from student to student, based on his/her observation. It is highly recommended that the students prepare the answer on their own.

#### Question 1:

Now guess her weight and the amount of sweets her parents distribute every Independence Day.

 Kunjamma’s age Kunjamma’s weight Amount of sweets At birth 3 kg 3 + 3 = 6 kg 1 year old 9 kg ________________ 2 years old ______ 13 + 13 = 26 kg 3 years old 17 kg ________________ 4 years old ______ ________________ 5 years old 28 kg ________________

 Kunjamma’s age Kunjamma’s weight Amount of sweets At birth 3 kg 3 + 3 = 6 kg 1 year old 9 kg 9 + 9 = 18 kg 2 years old 13 kg 13 + 13 = 26 kg 3 years old 17 kg 17 + 17 = 34 kg 4 years old 20 kg 20 + 20 = 40 kg 5 years old 28 kg 28 + 28 = 56 kg

#### Question 1:

Help him match the things with their right amounts.

 1 kg rice half kg daal _______ peas _______ water _______ onions _______ salt _______ mustard seeds _______ red chilli powder

 1 kg rice half kg daal 1 bowl peas 8 glasses water 2 onions a spoon salt 2 spoon mustard seeds mustard seeds 1 pinch red chilli powder

#### Question 1:

Make a list of things bought at your home. Find out how much of each thing is bought at one time. These things can be rice, oil, chilli powder, sugar, milk, onions, ginger, etc.

 Name of thing How much bought

Disclaimer: The answer may vary from student to student, based on his/her experience. It is highly recommended that the students prepare the answer on their own.

#### Question 1:

Guess their weights and match.

#### Question 2:

Guess which of the following things weigh more than 1 kilogram? Which ones will weigh less than 1 kilogram (kg)?

(i) School bag weighs more than 1 kg.

(ii) Geometry box weighs less than 1 kg.

(iii) Brick weighs more than 1 kg.

(iv) A big pumpkin weighs more than 1 kg.

(v) Your pair of slippers/shoes weigh less than 1 kg.

#### Question 1:

Use your balance to find which of the following is heavier — (i) A water bottle or a cricket ball (ii) Your shoe or your pencil box (iii) Your Maths book or Hindi book (iv) Your bag or your friend’s bag

(i) A water bottle is heavier than a cricket ball.

(ii) Our shoe is heavier than our pencil box.

Disclaimer: The answer to part (iii) and (iv) may vary from student to student, based on his/her observation. It is highly recommended that the students prepare the answer on their own.

#### Question 2:

Weigh 1 kg of mud or sand. Divide it equally into 2 bags. Use the balance to check if both the bags have equal weight.

Each bag of mud is your half-kg weight. Use it to weigh some other things around you.

If we equally divide 1 kg of mud or sand into two bags, the weight of both the bags will be equal. Now, with each half-kg weight, you can weigh fruits, vegetables or even textbooks on a balance.

Disclaimer: The answer may vary from student to student, based on his/her observation. It is highly recommended that the students prepare the answer on their own. The answer provided here is for reference only.

#### Question 3:

Make a list of (i) Things weighing less than half kg. (ii) Things weighing more than half kg.