Primary School (English Medium) कक्षा ४ - CBSE Question Bank Solutions

How much water do you think we waste through a leaking tap?

Place your litre jar below the leaking tap so as to catch all the drops in the bottle. Note the time. After one hour check, how much water is in the bottle?

Find out how much water is wasted in a day?

1. In a week?
2. In a month?
3. In a year?

Chelannur village has a milk society. Geetha and Ammini went there to buy 4 litres of milk. But the man could not find the one-litre measure. He had only a 3 litre and a 5-litre bottle with him. But he gave them exactly 4 litres of milk. Explain how he did this.

You must have seen many such round things around you. List some more in your notebook.

Have you ever gone to a bangle shop?

Guess which of these bangles is of your size.

Take a wire and make a bangle for yourself. Can your madam or mother wear this bangle?

A bangle can be used to trace a circle. What are the other things around you that you can use to trace a circle?

Trace a circle with the help of some of these in your notebook or on the ground.

1. Which thing makes the smallest circle?
2. Which thing makes the biggest circle?
   

Do you play these games?

Which song do you sing when you play these?

Play these games in your school.

Why do we make a circle in each of these games?

What if a rectangle was made? Discuss.

Think of some other games you play by making circles.

Is any of these a good drawing of a circle?

Can you draw a circle on the floor with a chalk? Try.

Also draw a circle in your notebook using a pencil.

Look at the circles drawn by your friends. Who has drawn the best circle?