Lesson Review for Scaled Copies

Which of the following is a scaled copy of figure A?

• B

• C

• D

Which side length on the scaled copy corresponds to the side length HJ on the original image?

• AB

• BC

• AC

What is the scale factor from ΔABC to ΔDEF?

• 1/2
• 7/3
• 2
• 10/3

What is the scale factor?

• 4
• .25
• 5
• 6

What is the scale factor from the small fry to the large fry?

• 1/3

• 48

• 4

• 3

Scaled copy is _________.

• shapes that are the same size but different shapes
• shapes that are the same shape but different sizes
• a shape that look distorted from the original
• a slanted version of the original shape

Scale factor is _________

• the number you multiply the original shape by in order to get the scale copy
• the number you divide the original shape by in order to get the scale copy
• the number you add the original shape by in order to get the scale copy
• the number you subtract the original shape by in order to get the scale copy

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

• 475 cars per day
• 19 cars per day
• .05 cars per day
• 15 cars per day

Alicia drove at a constant speed and traveled 182.4 miles in 3 hours. What is her rate in miles per hour?

• 60.8 hours per mile

• 547.2 miles per hour

• 56 miles per hour

• 60.8 miles per hour

A rate is a ratio that compares 2 different_______________________________.

• people
• units/measurements
• fractions
• denominators