Show:
Parallelograms
Triangles
Polygons
Nets
Surface Area
100

Find the area of a parallelogram with a base 8 cm and height 5 cm. 

40 cm2

100

Find the area of a triangle with base 10 in. and height 6 cm.

30 in2

100

Find the area of a rectangle that is 7 m by 9 m.

63 m2

100

What is a net?

The 2D or flat form of a 3D figure.
100

Find the surface area of a cube with side length 4 cm.

96 cm2

200

A parallelogram has a base of 12 ft. and height of 7 ft. What is its area?

84 ft2

200

A triangle has a base of 14 ft and height of 9 ft. What is its area?

63 ft2

200

Find the area of a composite polygon made from a 10 x 6 rectangle and a 4 x 3 rectangle. 

72 square units

200

How many faces does a rectangular prism have?

6

200

Find the surface area of a rectangular prism measuring 5 x 3 x 2 cm.

62 cm2

300

A parallelogram has an area of 72 square inches and a base of 8 inches. What is its height?

9 inches

300

A triangle has an area of 54 square cm and a height of 9 cm. What is its base?

6 cm

300

Find the area of a polygon that is split into a 5 x 7 rectangle and 3 x 8 triangle. 

47 square units

300

Draw a net that could fold into a rectangular prism.

Answers will vary.
300

A rectangular prism has dimensions 8 x 5 x 3 inches. Find the surface area.

158 in2

400

A parallelogram has a base of 15.5 cm and height of 8 cm. Find its area.

124 cm2

400
A triangle garden has a base of 18 ft and height of 11 ft. How many square feet is the garden?

99 ft2

400

A polygon can be divided into a 12 x 8 rectangle and a triangle with base 12 and height 5. Find the total area.

126 square units

400

A rectangular prism is 6 x 4 x 3. How many rectangles must appear in its net, and what are their dimensions?

6 rectangular faces

2: 6 x 4

2: 6 x 3

2: 4 x 3

400

A triangular prism has: 

1. A triangle base with a base of 6 cm and height of 4 cm.

2. The three sides of the triangle are 5 cm, 5 cm, and 6 cm.

3. The length of the prism is 8 cm. 

160 cm2

500

A parallelogram has an area of 157.5 square cm and a height of 10.5 cm. What is its base?

15 cm

500

A triangle has a base of 16.5 m and height of 12 m. Find its area. 

99 m2

500

A composite polygon consists of a 15 x 8 rectangle with a 5 x 4 rectangle removed. What is the remaining area?

100 square units

500

You are given a net of a pyramid. Explain how you can determine whether it will fold into a rectangular prism. 

Answers will vary.

500

A square pyramid has:

1. A square base with sides measuring 6 cm.

2. Each triangular face has a height of 5 cm.

What is the surface area?

96 cm2