ratios and proportions

Write a ratio in simplest form:
12 CD's to 4 tapes

• 3/1
• 4/1
• 12/4
• 6/1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Is this proportion equal?
1/3     4/12

• =
• ≠

Tags

CCSS.7.RP.A.2A

Solve:
7/n  =  14/10

• 5
• 7
• 70
• 4

Tags

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of red apples to green apples

• 7 apples to 3 green
• 4 red apples to 7 apples
• 4 red apples to 3 green apples
• 3 green apples to 4 red apples

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

Tags

CCSS.6.RP.A.3A

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