Scale Factor Worksheet — Answer Key
A. Find the Scale Factor
- 2
- 3
- 2.5
- 5
B. Find the New Length
- 21 cm
- 24 cm
- 5 cm
- 6 cm
C. Complete the Table
| Original Length | Scale Factor | New Length |
|---|---|---|
| 5 cm | 2 | 10 cm |
| 8 cm | 3 | 24 cm |
| 20 cm | 1/2 | 10 cm |
| 18 cm | 1/3 | 6 cm |
| 9 cm | 4 | 36 cm |
D. Word Problems
- 25 cm
- 450 cm (or 4.5 m)
- 400,000 cm = 4 km
- 12 cm × 20 cm
E. Challenge
a) 2.5
b) 30 cm
- 6 cm × 8 cm