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

Name of thing Whether it has corners Number of edges Number of corners Die Yes 12 8 Ball No 0 0 Eraser Yes 12 8 Egg No 0 0 Sheet of paper Yes 4 4

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

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.

Chart

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Shapes and Designs

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Chapter 5: Shapes and Designs - Activity Time [Page 65]

Chapter 5 Shapes and Designs
Activity Time | Q 2 | Page 65

Find the biggest rectangle in the figures given below.

Can this game be played around a round table? Why?

Look around you and identify things with straight and curved edges.

Do the things with curved edges have corners?

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?

Using only straight lines, can you draw a figure which has no corners?

How many triangles do you have in your set? Are all of them equal in size? Find out.

Use the two small triangles in the tangram set to get the following shapes:


(1)	(2)	(3)

Which geometrical shapes can you identify in these borders? Draw them in your notebook.

Is any shape repeating in a particular pattern? Which ones?