Scale Drawings

If the scale factor is less than 1, the copy will be ________ than the original.

• Smaller

• Larger

• The same size

• Cannot be determined

If the scale factor is more than 1, the copy will be ________ than the original.

• Smaller

• Larger

• The same size

• Cannot be determined

If the scale factor is equal to 1, the copy will be ________ as the original.

• Smaller

• Larger

• The same size

• Cannot be determined

How do you find the scale factor?

• Add the new lengths to the old lengths

• Subtract the new lengths from the old lengths

• Multiply the new lengths by the old lengths

• Divide the new lengths by the old lengths

What does corresponding mean in the context of scaled copies?

• Matching position

• Different position

• Opposite position

• Random position

Are these two shapes scale copies of each other?

• Yes

• No

What scale is being used?

A 120 foot building is drawn as 5 inches.

• 120 inches : 5 feet

• 1 inch : 24 feet

• 1 foot : 24 inches

• 60 feet

What happens to angle measurements in scaled copies and drawings?

• They stay the same

• They become larger

• They become smaller

• They cannot be determined

Which lengths could be found on a copy of the original blue triangle shown?

• 16, 12, 10

• 80, 60, 25

• 20, 15, 12.5

• 4, 3, 2.5

• 24, 18, 20

The scale of a map says that 4 cm represents 5 km.

Part 1: What distance on the map (in centimeters) represents an actual distance of 4 kilometers?

• 3.2 cm

• 5 cm

• 16 cm

• 20 cm