Why did Naina get such a drawing? Discuss.

One Line Answer

Naina did not put the point of her compass again on the same place before going to find an eraser. So, she got such design.

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Carts and Wheels

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Chapter 8: Carts and Wheels - Exercises [Page 89]

Chapter 8 Carts and Wheels
Exercises | Q 27 | Page 89

Guess which of these bangles is of your size.

Do the activity in small groups. Each group should take a rope of a different length. See the circles made by different groups.

Now see what your friends have drawn. Discuss the length of the radius they measured. Is it the same as yours?

Have you seen a tractor or a road roller?

Are all wheels of a tractor or road roller of the same radius?

Have you seen a compass before? How will you use this to make a circle?

- Open your compass.

- Press the tip of the compass on the paper. Hold the compass from the top.

- Without moving the tip, try to move the pencil around.

- Do you get a circle?

Now you can make your own designs like Daljeet had made. How many did you make?

Can a circle have more than one centre?

Now you trace a circle on a paper using a bangle. Cut it. Then find its centre like Sameena did.

You also try to balance a plate or a round lid on your finger. Where does it balance?