Equivalent Ratio Practice

Tell whether the two rates form a proportion.

28 people in 4 rooms

63 people in 9 rooms

• proportional

• not proportional

Tags

CCSS.7.RP.A.2A

Tell whether the two rates form a proportion.

4 laps in 10 minutes

6 laps in 15 minutes

• proportional

• not proportional

Tags

CCSS.7.RP.A.2A

Why are 1 : 3 and 2 :6 equivalent ratios?

• You'd add the same number to 1 and 3 to get the ratio of 2:6.

• You'd multiply 1 and 3 by the same number to get the ratio of 2:6.

• You'd subtract the same number from 1 and 3 to get the ratio of 2:6.

• They aren't equivalent ratios.

Tags

CCSS.6.RP.A.3A

Select ALL the ratios that are equivalent to 5 : 6.

• 2.5 : 3

• 10 : 12

• 6 : 5

• 15 : 18

• 6 : 7

Tags

CCSS.6.RP.A.3A

Tags

CCSS.6.RP.A.3A

Use equivalent ratios to find the unknown value.

• 3

• 5

• 30

• 35

Use equivalent ratios to find the unknown value

• 36

• 4

• 3

• 63

Is the ratio equivalent?

• Yes

• No

Tags

CCSS.6.RP.A.3A

Use equivalent ratios to find the unknown value.

• 36

• 4

• 3

• 63

A painter mixes 3 gal of cyan paint with every 5 gal of red paint, to make purple paint.

Which ratio of gallons of cyan paint to gallons of red paint will make the same shade of purple paint?

Answer explanation

Cyan paint is 3

Red paint is 5

The question asks Cyan first

3:5 or 3/5

Now simplify all fractions

Which one is the same as 3/5?

9:15

Tags

CCSS.6.RP.A.3A