Thursday 2_25

Thursday 2_25

We are reviewing percent scale factors and past topics. Use the example slides to help. You've got this!!!

Finding the missing side length

• Label original x and scaled image y

• Record corresponding sides in a table

• Create and Solve a proportion

Fill in the Blanks

Find the missing side length x. The scale factor from U to V is 20%

Fill in the Blanks

Find the missing side length y. The scale factor from U to V is 20%

Convert Percents to Decimals

Percent means per 100.

To convert a percent to a decimal, divide by 100.

Fill in the Blanks

350% as a decimal is

Fill in the Blanks

65% as a decimal is

Multiple Choice

If the scale factor is less than 100%, then the scaled image is

• reduced`

• enlarged

Multiple Choice

If the scale factor is greater than 100%, then the scaled image is

• reduced

• enlarged

Multiple Choice

What would be the actual length, if the length of a model is 25 ft, and the scale factor is less than one?

• 20 ft

• 25 ft

• 30 ft

Multiple Choice

What would be the actual length, if the length of a model is 30 ft, and the scale factor is greater than one?

• 30 ft

• 35 ft

• 25 ft