Ratios

What is the ratio of the number of dogs to the number of mice in the collection?

• 6:3

• 3:6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

If the collection of animals is a set, which of the following ratios correctly represents the ratio of cats to the total number of animals?

• 3:11

• 2:9

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

How many ears, paws, and tails are there in total if we have 3 cats in the room?

• 6:12:3

• 9:36:9

Tags

CCSS.3.OA.A.1

CCSS.3.OA.A.3

CCSS.3.OA.B.5

CCSS.3.OA.C.7

How many paws are there for every tail?

• 1

• 4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

CCSS.6.RP.A.2

For every tail, how many noses are there?

• 4

• 1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

CCSS.6.RP.A.2

Calculate the ratio for 4 batches of the given recipe.

• 12 teaspoons yellow water to 4 teaspoons red water

• 6 teaspoons yellow water to 2 teaspoons red water

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Write a ratio for 4 batches of this recipe.

• 12 teaspoons yellow water to 4 teaspoons red water

• 12 teaspoons yellow water to 3 teaspoons red water

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

CCSS.6.RP.A.2

Why can we consider these two ratios to represent the same proportion?

• Because they can be reduced to an identical ratio

• Because they both yield the same amount when mixed

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Write another ratio that is equivalent to the ratio 3 : 9.

• 1 : 3

• 4 : 12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

What makes the ratio 3 : 9 equivalent to 1 : 3? Select the best explanation.

• Because you can divide both terms of the first ratio by the same number to get the second ratio.

• Because adding the same number to both terms of the first ratio gives the second ratio.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3