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Question
Try to find things which have both straight and curved edges.
Solution
Following things have both straight and curved edges - bread, violin, electric guitar, car, screw-driver.
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RELATED QUESTIONS
Find the biggest rectangle in the figures given below.
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Can this game be played around a round table? Why?
- Take a rectangular sheet of paper.
- Count its corners.
- Now fold one of its corners.
a) How many corners does it have now?
b) How many corners will you get by folding
i) 2 corners
ii) 3 corners
iii) 4 corners
c) Can you fold this paper in such a way that it has only three corners? You are allowed only two folds.
What shape will you get? - Repeat the activity with a square sheet of paper.
- Can you fold all the corners of the square sheet in such a way that the number of corners remains unchanged?
Look at the following table and tick (√) the names of things that have corners. Also count the number of edges and corners in ea.ch of them.
| Name of thing | Whether it has corners | Number of edges | Number of corners |
| Die | Yes | 8 | |
| Ball | |||
| Eraser | |||
| Egg | |||
| Sheet of paper |
Which two pieces of the tangram set are exactly same? Find out.
Find matching sides among the following pairs of pieces.
- Pieces 1 and 2
- Pieces 2 and 4
- Pieces 1 and 5
- Pieces 2 and 5
Use only triangles
Look at your cloths, your mother’s saris/shawls, rugs and mats. Can you identify some patterns? Draw them in your notebook.
You can also make your own tiles and use them to make your own tiling patterns. You will find some such tiles at the end of the book that you can cut out, trace and colour.
Have you seen this shape in any other design - on a wall, a dress, on a basket, a mat etc.?
