Scaling to Solve Percent Problems

Lisa's little brother weighed 8 pounds when he was born. He now weighs 36 pounds. What is the percent increase in the boy's weight?

• 350%

• 4%

• 40%

• 78%

Tags

CCSS.6.RP.A.3C

It costs a florist $14.50 to grow a dozen roses. She sells a bouquet of a dozen roses for $24.99. What is the markup (percent increase) to the nearest percent?

• 72%

• 42%

• 172%

• 58%

Tags

CCSS.6.RP.A.3C

Miss Sylvie miscounted and thought she saw 33 children on the bus. When she counted again, she realizes there are actually only 30 students on the bus. What is her percent error?

• 10%

• 9%

• 90%

• 91%

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?

• 40%

• 50%

• 80%

• 60%

What percent is the ratio 20 : 50

• 20%

• 40%

• 100%

• 80%

If Dotty got 23 questions right out of 40 on her math test. What is her percent correct?

• 65.5%

• 62.5%

• 57.5%

• 52.5%

Determine the missing value in the table.

• 15

• 3

• 1/3

• 9

Tags

CCSS.5.OA.B.3

• 36

• 20

• 9

• 29

Tags

CCSS.5.OA.B.3

• 18

• 14

• 59

• 16

Tags

CCSS.5.OA.B.3

• 44

• 46

• 64

• 68

Tags

CCSS.5.OA.B.3