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Lesson 8 Homework PracticeScale Drawings and Models

On a map, the scale is 5 centimeters = 2 kilometers. Find the missing distances.

13. Refer to Exercises 1–12. What is the scale factor? 5 −

200,000 or 1 −

40,000

14. What is the scale factor if the scale is 15 inches = 1 yard? 15 − 36

or 5 − 12

15. A barn is 50 feet wide by 80 feet long. Make a scale drawing of the barn that has a scale of 1

− 2 inch = 10 feet.

16. A man in a photograph is 1.5 inches in height. If the man is 6 feet tall, what is the scale? 1 inch = 4 feet

17. The Chrysler Building is 1050 feet tall. Sally built a scale model of the building. How tall is the model if she used the scale 1 centimeter = 35 feet? 30 cm

18. The dimensions of a floor in an office building are 315 feet by 225 feet. Marcus drew a scale model of the office building using the scale 1 inch = 30 feet. What are the dimensions of the floor in the office building on the drawing? 10.5 in. by 7.5 in.

Location Map Distance Actual Distance

1. Town A to Town B 10 cm

2. Town A to Town C 10 km

3. Town A to Town D 5.6 km

4. Town A to Town E 2 cm

5. Town A to Town F 0.5 cm

6. Town A to Town G 3.2 km

7. Town A to Town H 0.25 cm

8. Town A to Town I 2.4 km

9. Town A to Town J 0.04 km

10. Town A to Town K 1 cm

11. Town A to Town L 2.5 cm

12. Town A to Town M 0.48 km

Check students’ drawings. The width is 2.5 inches and the length is 4 inches.

25 cm14 cm

8 cm

6 cm0.1 cm

1.2 cm

4 km

0.8 km0.2 km

0.1 km

0.4 km1 km

Program: Pre-Algebra

Vendor: Aptara

Component: ANC_C05_L8

Grade: AMPDF Pages

Math Accelerated • Chapter 5 Ratio, Proportion, and Similar Figures

036_040_AM_ANC_C05_L8_664489.indd Page 38 24/07/12 4:47 AM s-019036_040_AM_ANC_C05_L8_664489.indd Page 38 24/07/12 4:47 AM s-019 /Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA/ANCILLARIES.../Volumes/104/GO01101_del/Accelerated_Maths_2014/PRE_ALGEBRA/ANCILLARIES...