Plane Shapes

We will learn Plane and solid shapes.

Place a book on a paper and trace around with the help of your teacher. You get a plane shape. A plane shape is a figure made of straight or curved lines. Some examples of plane shapes are given below.

Color the object that has same shape as given on the left.

Plane Shapes

I. Square:

This is a square. Square has 4 sides and 4 corners. All the sides of a square are equal.

II. Rectangle:

This is a rectangle. Rectangle has 4 sides and 4 corners. The opposite sides of a rectangle are equal.

III. Triangle:

This is a triangle. Triangle has 3 sides and 3 corners. The sides of a triangle may or may not be equal.

IV. Circle:

This is a circle. Circle has no straight side and no corner. It is a figure drawn with curved line.

V. Oval:

This is an oval.

It looks like an egg.

It has no side and no corner.

Worksheet on Plane Shapes:

1. Fill in the blanks:

(i) A square has _____ sides and _____ vertices.

(ii) Opposite sides of a rectangle are _____.

(iii) A triangle has _____ sides and _____ vertices.

(iv) A circle has _____ vertex.

(v) All the sides of a square are _____.

2. Name the shape that you will get if you trace the outline of:

3. Can you make a triangle using 3 matchsticks?

4. Can you make a rectangle using 4 matchsticks?

5. Can you make a square using 4 matchsticks?

6. What least number of matchsticks do you need to make a square?

7. What least number of matchsticks do you need to make a triangle?

Answer:

1. (i) four; four

(ii) equal

(iii) three; three

(iv) no

(v) equal

2. (i) rectangle

(ii) circle

(iii) rectangle

(iv) square

3. Yes

4. Yes

5. yes

6. 4

7. 3

First Grade Math Activities

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