Low Stakes Flashcard #8: Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows how many times one value contains or is contained within the other.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How can ratios be expressed?

Back

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2 to 5.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a pet shop has 2 dogs, 4 cats, and 5 hamsters, what is the ratio of dogs to all pets?

Back

The ratio of dogs to all pets is 2:11.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4 red apples to 3 green apples.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the ratio of birds to snakes if there are 4 birds and 6 snakes?

Back

The ratio of birds to snakes is 4:6.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify the ratio 4:6?

Back

The simplified ratio of 4:6 is 2:3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the total number of pets if there are 2 dogs, 4 cats, and 5 hamsters?

Back

The total number of pets is 2 + 4 + 5 = 11.

Tags

CCSS.1.OA.A.1

Front

If the ratio of boys to girls in a class is 3:2, how many girls are there if there are 12 boys?

Back

If there are 12 boys, then there are 8 girls (since 3:2 means for every 3 boys, there are 2 girls).

Front

What is the ratio of 10 to 5?

Back

The ratio of 10 to 5 is 2:1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2