STEP 1:
 Students are asked to identify the shape of the paper.
 How many corners does it have?
 How many sides does it have?
 Identify an object having this shape in the surroundings.

STEP 2:
 What is the shape that results?
 How many corners does this shape have? Compare with that of square.
 How many sides does this shape have? Compare with that of square.
 How many triangles are formed?

STEP 3:
 Is the shape formed same as the previous one?
 Is this shape bigger or smaller than the previous one?
 How many triangles are there now?

STEP 4:
 Are these triangles bigger or smaller than the previous ones?
 Is there any other shape formed?

STEP 5:
 How many sides are there in the shape now?
 Compare with the number of sides of a square.
 Compare with number of sides of a triangle.
