Area and Perimeter

Area (Rectangles)

100

Find the area of the following rectangle.

L= 4cm

W = 8cm

32cm²

200

Find the area of the following rectangle.

L = 8m

W = 7m

A = 56m²

300

Find the area of the following square.

Side of Square = 5cm

A = 20cm²

400

Find the total area of the two rectangles:

1. L = 3cm      W = 4cm

2. L= 4cm      W= 4cm

1. A = 12cm²

2. A = 16cm²

Total Area ---> 12 + 16 = 28cm²

500

Find the total area of these two figures:

1. Square:  Sides = 2m

2. Rectangle: L = 2m   W= 4m

1. A = 4m²

2. A = 8m²

Total Area ---> 4 + 8 = 12m²

Perimeter (Rectangles)

100

Find the perimeter of the following rectangle.

L = 1cm

W = 2cm

P = 6cm

200

Find the perimeter of the following rectangle.

L = 6mm

W = 2mm

P = 16mm

300

Find the perimeter of the following square.

Square Side = 7m

P = 28m

400

Find the total perimeter of these two figures:

1. Rectangle: L=2m W=5m

2. Rectangle: L=3m  W=1m

1. P = 14m

2. P = 8m

Total Perimeter --->14+8 = 22m

500

Find the total perimeter of these two figures:

1. Rectangle: L = 5cm  W = 6cm

2. Square: 9cm

1. P = 22cm

2. P = 36cm

Total Perimeter ---> 22+36 = 58cm

Area and Perimeter (Triangles)

100

Find the area and perimeter of a triangle with side lengths of 6 and height of 9.

A = 1/2 x 6 x 9 = 27 m²  

P = 6 + 6 + 6 = 18 m

200

Find the area and perimeter of a triangle if the lengths is 8m and the height is 4m.

A = 1/2 x 8 x 4 = 18 m²  

P = 8 + 8 + 8 = 24m

300

How do you find the area of a triangle?

1/2 x b x h

400

Find the perimeter and area of a rectangle with base length of 20 cm, side lengths of 10, and a height of 15 cm.

A = 1/2 x 20 x 15 = 150 cm²  

P = 20 + 10 + 10 = 40 m

500

Find the perimeter and area of a triangle with sides of 11m (base), 2m, and 8 m, and a height of 6 m.

A = 1/2 x 11 x 6 = 33 m²  

P = 11 + 2 + 8 = 21 m

Area/Perimeter

100

What is the formula for the area of a rectangle?

A= L x W

200

How do you find the perimeter?

add up all the side lengths

300

The area of a square is 16m².

What is the length of each of the sides?

All 4 sides are 4m

400

The perimeter is 20mm².

The length is 4mm

What is the width?

The width is 5mm

500

The area is 28cm².

The length is 7cm.

What is the width?

the width is 4cm

Circles

100

The line that passes from one side of a circle to the other through the centre is called

diameter

200

the line that joins the centre of the circle to the outside is called

radius

300

the distance around a circle is called

circumference

400

How do you find the area of a circle?

π • r²

500

How do you find the perimeter of a circle?

2πr