Proportions Part to Whole

12 is what percent of 30?

• 20%

• 32%

• 40%

• 43%

16 is 40% of what number?

• 40

• 42

• 38

• 36

20 is what % of 500?

• 2%

• 4%

• 5.5%

• 8%

24 is 30% of _______?

• 76

• 80

• 85

• 90

200 is ______% of 25?

• 725%

• 850%

• 700%

• 800%

What is 37.5% of 40?

• 18

• 25

• 15

• 20

Manny B. Messy drops a bag of 25 chocolate chip cookies and breaks 12 of them. What percentage of the cookies did messy Manny break?

• 52% of the cookies

• 50% of the cookies

• 48% of the cookies

• 54% of the cookies

Sally Singalong sets a goal of hitting all 90 of the high notes in her performance. If she hits 60% of the notes in her first practice, how many notes is she away from reaching her goal?

• 33 notes away

• 39 notes away

• 36 notes away

• 42 notes away

A comparsion of boys to total students in the class is a ratio that compares _____

• part to whole.

• ratio

• sum

• difference

When two ratios are equivalent

• proportion

• per/each

• product

• quotient