Scale Drawings Review

What is a scale factor?

• A scale factor is a number that divides some quantity.

• A scale factor is a number that adds to some quantity.

• A scale factor is a number that scales, or multiplies, some quantity.

• A scale factor is a number that subtracts from some quantity.

If the scale factor is 1:5 and the actual measurement is 20 cm, what is the measurement on the scale drawing?

• 100 cm

• 4 cm

• 25 cm

• 50 cm

If the scale factor is 1:4 and the measurement on the scale drawing is 15 cm, what is the actual measurement?

• 45 cm

• 10 cm

• 60 cm

• 30 cm

What is the scale factor if the actual measurement is 30 cm and the measurement on the scale drawing is 6 cm?

• 2

• 15

• 5

• 10

If the scale factor is 1:8 and the actual measurement is 48 cm, what is the measurement on the scale drawing?

• 24 cm

• 12 cm

• 6 cm

• 36 cm

If the scale factor is 1:3 and the measurement on the scale drawing is 9 cm, what is the actual measurement?

• 18 cm

• 12 cm

• 6 cm

• 27 cm

What is the scale factor if the actual measurement is 50 cm and the measurement on the scale drawing is 10 cm?

• 2

• 8

• 5

• 15

If the scale factor is 1:6 and the actual measurement is 42 cm, what is the measurement on the scale drawing?

• 12 cm

• 7 cm

• 8 cm

• 10 cm

If the scale factor is 1:2 and the measurement on the scale drawing is 8 cm, what is the actual measurement?

• 4 cm

• 12 cm

• 24 cm

• 16 cm

What is the scale factor if the actual measurement is 24 cm and the measurement on the scale drawing is 6 cm?

• 4

• 12

• 8

• 2