M1 Scale Factor

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Scale Factor of ½ is __________________ .

• Reduction
• Enlargement

Scale Factor of 5 is _________________ .

• Reduction
• Enlargement

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

Are the following similar? Why or why not?

• Yes because 4/6 = 2/6

• No because 2 * 2 =4 but 6 * 2 = 12

• Yes because 2* 3 = 6

• No because they look different

What is the scale factor from triangle ABC to triangle DEF?

• 1/2
• 7/3
• 2/1
• 10/3

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

• 1/2
• 2/3
• 3/4
• 2

The two rectangles are scale drawings. What is the measurement of x?

• 21
• 1.25
• 20
• 4

What is the scale factor from ABC to DEF?

• 2

• 3/2

• 2/3

• 1/2