Ratios Equivalent Ratios and Proportions

After 2 hours, the air temperature had risen 7 degree Fahrenheit. Write and solve a proportion to find the amount of time it will take at this rate for the temperature to rise an additional 13 degrees. 

• 45.5 

• -3.7 

• 3.7 

• -45.5 

Tags

CCSS.7.RP.A.3

The ratio 5:15 simplifies to...

• 1:3

• 3:1

• 1:5

• 3:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

10 students want hotdogs for lunch and 26 want hamburgers.  What is the ratio of the number of students who want hot dogs to the number of students who want hamburgers?

• 26:10

• 10:26

• 10:36

• 25:36

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Simplify the ratio 12:3

• 1:2

• 6:1

• 4:1

• 1:4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of female teachers to male teachers?

• 5:13

• 13:5

• 18:10

• 26:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bag contains marbles: 5 blue and 10 green. How many green marbles are there for every blue marble?

• 1

• 2

• 5

• 10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What ratio is equivalent to 1 : 3?

• 10 : 33

• 6 : 18

• 5 : 20

• 2 : 9

Tags

CCSS.6.RP.A.3A

What is the simplified ratio of girls to boys?

• 1 : 5

• 1 : 3

• 3 : 5

• 3 : 1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of bananas to apples?

• 5 : 3

• 4 : 6

• 2 : 1

• 3 : 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Find the missing number:
2 : 5 = ? : 20

• 8

• 10

• 25

• 6