Proportional Reasoning

Solve the proportion:

• 4
• 8
• 14
• 10

Tags

CCSS.7.RP.A.2B

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

Tags

CCSS.7.RP.A.3

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk

Tags

CCSS.7.RP.A.2A

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Tags

CCSS.7.RP.A.1

The ratio used to find percent is...

• part/whole = %/100
• part/whole = 100 / %
• whole/part= %/ 100

34% of what number is 51?

• 69

• 17

• 150

• 196

Tags

CCSS.6.RP.A.3C

What is 15% of 82?

• 12.3
• 123
• 1.23

Tags

CCSS.6.RP.A.3C

A student earned an 80% on a math test that had 20 problems.  How many problems on the test did the student answer correctly?

• 20
• 4
• 16
• 12

Tags

CCSS.6.RP.A.3C

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios (scale factors) of the corresponding sides are not equal, so the corresponding sides are not proportional.

Tags

CCSS.HSG.SRT.A.2