Ratio and Proportions

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

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

Carlton can mow and trim 3 lawns every 5 days.  At this rate, how many lawns can Carlton mow and trim in 35 days?

• 21
• 40
• 58
• 75

Dale says that the ratios 3:5 and 2:10 are equal. Is he correct? 

• No, 2:10 simplifies 1:5. 3:5 is not equal to 1:5.
• Yes, 3:5 is equal to 6:10 which equal to 2:10
• No, 2 to 10 is equal to 3:5
• Yes, 3(5) is 15 and 2(10) is 20

Tags

CCSS.6.RP.A.3A

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5
• 5 to 3
• 3 to 5
• 5 to 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Sara can type 90 words in 4 minutes. About how many words would you expect her to type in 10 minutes at this rate?

• 900 words
• 180 words
• 225 words
• 360 words

Tags

CCSS.6.RP.A.3B

Solve the proportion.

• p=31.3
• p=308
• p=924
• p=532

Tags

CCSS.6.EE.B.7

Solve the equation for x:

• 17
• 16
• 15
• 14