Advertisements
Advertisements
Question
Ritu is weighing her toys. She wants to know if her tractor is heavier than her car. How would you help her to find out quickly?
Advertisements
Solution
This can be done by keeping one of the toys in a pan and the other toy in another pan of the balance.
APPEARS IN
RELATED QUESTIONS
Make pairs of different things and use the balance to decide which is heavier. First guess which thing will take the pan down and then check with your balance.
Take a small plastic packet.
Put it in one pan of the balance. Put the soap in the other pan. Slowly add sand to the packet till the pans are balanced.
Close the packet with a rubber band or string. Now stick a strip of paper and write ‘ g’ on it.
If you put the soap and the weight you just made together in a pan, how many grams will both these weigh?
Which pan of the balance will go down? Show by drawing an arrow.
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
How many grams are there in 1 kg?
Name 5 things that we usually buy -
| In Grams | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 |
| In Kilograms | |
| 1 | |
| 2 | |
| 3 | |
| 4 | |
| 5 |
Which is heavier? One kilogram cotton or one kilogram iron?
Now you show how Abdu will use these stone pieces to weigh —
4 kg of firewood -
Akash wants to send a parcel of the Math Magic textbook to his friend Rani in Chennai. The book weighs 200 g. See the chart to find the cost of posting the book.
There are 3 marbles of the same size but one marble is slightly heavier or lighter than the other two. Can you find which is that marble and if it is heavier or lighter? You can use a balance only two times.






