REVIEW: Ratios, Rates, and Unit Rates

Which statement best describes what a ratio is.

• A number
• A comparison of two quantities using division.
• A comparison
• A comparison of many things.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bake sale has 14 cakes, 12 donuts and 4 cupcakes. Find the ratio of donuts to total items (simplest form)

• 3:1

• 30:12

• 6:7

• 2:5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? (simplest form)

• 3:5

• 1:3

• 3:11

• 3:10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 10 dimes, 8 quarters, and 5 nickels?  What is the ratio of nickels to dimes and quarters? (simplest form)

• 5 : 8

• 5 to 18

• 1 : 2

• 4 to 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5
• 1:3
• 3:11
• 3:10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A rate is a ratio that compares

• A part to a part

• A part to a whole

• Quantities with different units

• Quantities with the same units

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A unit rate is a ratio in fraction form that has a _____________________________ of 1.

• numerator
• bottom number
• fraction
• denominator

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a proportion?

• When two ratios can be simplified
• When two ratios are equivalent and show the same value
• When two ratios have the exact same numbers
• When two ratios can be multiplied by 2

Tags

CCSS.7.RP.A.2A

Julie’s car can travel 512 miles on 16 gallons of gasoline. What is the number of miles per gallon? (Use a proportion to solve)

• 30

• 32

• 32.5

• 30.2

Tags

CCSS.7.RP.A.3

It took 36 minutes for Tony to make 8 paper airplanes. How long did it take per plane? (Use a proportion to solve)

Tags

CCSS.6.RP.A.3B