Solving Percent Problems with Proportions

What is the simple trick to solve percent problems?

• is under of

• of over is

• is over of

• of under is

In the proportion method, what number always stays the same?

• The given number

• The total

• The variable

• 100

What is 25% of 24?

• 6

• 12

• 18

• 24

What percent of 40 is 28?

• 50%

• 60%

• 70%

• 80%

How can you test if your proportion is correct?

• By using a calculator

• By asking a friend

• By simplifying both fractions

• By guessing

What is 15% of 60?

• 9

• 15

• 6

• 12

What percent of 20 is 18?

• 80%

• 95%

• 85%

• 90%

If Mr. Thompson has 33 students and 21.21% have A's, how many students have A's?

• 5

• 6

• 7

• 8

Mr. Thompson bought a book for 85% of the original price and paid $17. What was the original price?

• $25

• $15

• $20

• $18

What is the first step in solving a word problem involving percentages?

• Guess the answer

• Divide the numbers

• Multiply the numbers

• Set up a proportion