Identify the Scale Factor

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

What is the scale factor?

• 4

• 25

• 5

• 6

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

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

• reduction

• enlargement

• scale

• not proportional

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

• smaller

• larger

• a scale

• same size

What is the scale factor?

• You are multiplying each side by 3

• You are multiplying each side by 2

• You are multiplying each side by 5

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

• You are multiplying each side by 1

• You are multiplying each side by 2

• You are multiplying each side by 3

What is the scale factor? be careful you will end up with a RATIO this time.

• 8:12 = 2:3

• 10:12 = 5:6

• 9:8

• True

• False