Ratios

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

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

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4

• 2:5

• 2:11

• 11:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The school orchestra sells snacks at their concerts to raise money. At the spring concert, they made 9/8 as much money as they made at their fall concert.

Did they make more money at the fall or the spring concert?

• Fall concert

• Spring concert

Tags

CCSS.5.NF.B.5A

Here are 3 fractions. Two of these fractions are equivalent to each other. Which two?

• 2/3 and 4/5

• 2/3 and 6/9

• 4/5 and 6/9

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What amounts of eggs, water, and oil would you need for 3 batches of cake-like brownies?

• 3 eggs, 1/4 cup water, 1/2 cup oil

• 9 eggs, 1/12 cup water, 1/6 cup oil

• 6 eggs, 3/12 cup water, 3/6 cup oil

• 9 eggs, 3/4 cup water, 3/2 cup oil

Tags

CCSS.6.RP.A.3B

Let's pretend there are 147 boys and 210 girls in the 6th grade at AMS.  If so, what is the ratio of girls to boys in the 6th grade at AMS.

• 147 to 210

• 210 to 147

• 21 to 30

• 63 to 147

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Lin rode her bike 2 miles in 8 minutes. She rode at a constant speed. How long did it take her to travel 1 mile?

• 8 minutes

• 1/4 minute

• 4 minutes

• 1 minute

Tags

CCSS.6.RP.A.3B

What are three ways to write a ratio for the amount of dogs compared to the number of cats.

• 7:11

• 11:7

• 11 to 7

• 11/7

• 12 to 7

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 60 cookies and 10 cupcakes leftover at a bake sale. What is the ratio of cupcakes to cookies? Your answer It must be in simplest form.

• 6 to 1

• 1:6

• 30:5

• 14:56

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2