Area and perimeter of 2D shapes

What you'll learn

1. 1

   Imagine a rectangle drawn on a piece of paper. The distance all the way around the edge is the perimeter. The space inside is the area.

2. 2

   Which one is the perimeter of a shape?

3. 3

   Use the grid to find the perimeter of this rectangle. Each square is 1 cm wide.

4. 4

   Let's find the perimeter of a rectangle that is 5 cm long and 3 cm wide.

5. 5

   Now find the area of the same rectangle. Count the squares inside.

6. 6

   A rectangle is 5 cm long and 3 cm wide. What is its area?

7. 7

   What is the perimeter of a square with sides of 4 cm?