Solve percent word problems using proportions

Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "is" and "of"?

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Which of these proportional equations would you use to find the missing pieces of a percent problem, using the words "Part and Whole"?

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Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

What is 30% of 80? (use the formula is/of = %/100)

• 30

• 24

• 2.4

• 56

20% of what number is 40? (use the formula is/of = %/100)

• 20

• 200

• 800

• 8

26 is 5% of what number? (use the formula is/of = %/100)

• 1.3

• 2.5

• 25.95

• 520

Tags

CCSS.6.RP.A.3C

Write a proportion and solve using the formula is/of = %/100.

8 is what percent of 64?

• 12.5%

• 8%

• 800%

Martin's class has 28 students in it. 25% of those students are home sick today. How many students are home sick? (use the formula %/100 = part/whole)

• 4 students

• 7 students

• 11 students

• 13 students

Tags

CCSS.6.RP.A.3C

There are 35 boys on the football team. This is 5% of the school. How many total kids are in the school? (use the formula %/100 = part/whole)

• 30

• 350

• 700

• 1235

Tags

CCSS.6.RP.A.3C

A Chicago Cubs baseball cap costs $30. Michael has a coupon that will save him 30% of the price. How much money will Michael pay for the cap? (use the formula %/100 = part/whole)

• $9.00

• $22.00

• $21.36

• $21.00

Tags

CCSS.6.RP.A.3C

Shirley spelled 12 of her 15 spelling words correctly on the test. What percent grade did Shirley get on the test? (use the formula %/100 = part/whole)

• 40%

• 50%

• 80%

• 60%