The Shapes Song

Two-Dimensional Shapes

Learning Objectives :

• Understand the perimeter of a two-dimensional shape.

• Understand the area of a 2-D shape.

• Find the area and perimeter of 2-D shapes.

Concept :

• Perimeter of square, a rectangle or a triangle is equal to the sum of the length of its sides.

• Area of a 2-D shape is the product of its dimensions. 

   

Identify the sides of 2-D shapes

Let's do it

Kids English Pop Music

Find the Perimeter

                                                                Worksheet
Remember: Perimeter is the total distance around the outside of a 2D shape.
You calculate it by adding together all the lengths of a shape.

Work out the perimeter of these shapes:
1. A rectangle 7cm long by 8cm wide.
2. A square with one side 15cm long.
3. A rectangle 20cm by 30cm.
4. A 32cm by 10cm rectangle.
5. A rectangle 75cm long by 25cm wide.

Calculate the area