Name:    Try It Out -- Chapter 8, Lesson 6: Modelling Area

Multiple Choice
Choose the letter beside the correct answer.

Hillary’s parents are building a tennis court.
The dimensions of the tennis court are 24 m x 10 m.
They want to make a scale model of the tennis court on centimetre grid paper. 1.

Choose an appropriate scale for the model of the tennis court.
 A. 1 cm = 1 m B. 1 m = 1 m C. 1 cm = 100 m D. 1 cm = 1 mm

2.

Explain your choice of scale in question 1.
 A. The model of the tennis court can easily fit on a grid. B. The model of the tennis court can be a different shape that the real object. C. The model of the tennis court should be bigger than the real object to easily fit on a grid. D. The scale of the model of the tennis court is not similar to the real object.

3.

What is the area of the tennis court?
 A. 24 cm2 B. 24 m2 C. 240 m2 D. 240 mm2

4.

What is the area of the model tennis court?
 A. 24 cm2 B. 24 m2 C. 240 cm2 D. 240 mm2

5.

If the length of the tennis court model was 12 cm, and the width of the model was 5 cm, what would be the area of the model?
 A. 6 m2 B. 60 cm C. 6 cm2 D. 60 cm2

Jillian’s school is creating a new soccer field.
The dimensions of the field are 120 m x 80 m.
They want to make a scale model of the soccer field on centimetre grid paper. 6.

Choose the appropriate scale for the model of the soccer field.
 A. 1 cm = 1 m B. 1 cm = 10 m C. 1 cm = 100 m D. 1 cm = 1 kg

7.

Explain your choice of scale in question 6.
 A. The model of the tennis court can easily fit on a grid. B. The model of the tennis court can be a different shape that the real object. C. The model of the tennis court should be bigger than the real object to easily fit on a grid. D. The scale of the model of the tennis court is not similar to the real object.

8.

What is the area of the soccer field?
 A. 9600 m2 B. 960 m2 C. 9600 cm2 D. 96 m2

9.

What is the area of the model soccer field?
 A. 96 m2 B. 96 mm2 C. 96 cm D. 96 cm2

10.

If the length of the soccer field model was 24 cm, and the width of the model was 16 cm, what would be the area of the model?
 A. 384 cm B. 384 cm2 C. 3840 cm2 D. 38.4 cm2