Finding Perimeter by Counting Units

Find the perimeter of the rectangle...

• 22cm

• 24cm

• 11cm

• 20cm

Find the perimeter of the triangle...

• 22cm

• 24cm

• 21cm

• 23cm

Find the perimeter of the triangle...

• 39cm

• 52cm

• 36cm

• 26cm

Find the perimeter of the hexagon...

• 23cm

• 20cm

• 26cm

• 19cm

Find the perimeter of the pentagon...

• 40cm

• 32cm

• 48cm

• 46cm

What is the perimeter of a shape?

• The space inside the shape

• The edge or border of a shape

• Both A and B

• Neither A or B

How do you calculate the perimeter of a shape?

• Add all the sides together

• Multiply the length by the width

• Add the length and width together

• None of these options

Determine the perimeter of this shape.

• 17 units

• 18 units

• 20 units

• 16 units

What is the perimeter of this shape?

• 19 mm

• 17 mm

• 18 mm

• 16 mm

What is the perimeter of the rectangle?

• 14 ft

• 2 ft

• 48 ft

• 28 ft