9/17/2020 Unit Rates and Ratios

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

The ratio of boys to girls in one class is 15:12.
What kind of ratio is this?

• part to part
• part to whole

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What mathematical operation does unit rates involve?

• addition
• subtraction
• multiplication
• division

Tags

CCSS.7.EE.B.3

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles
• 30 miles
• 3 miles
• 25 miles

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Identify the best deal.

7 ounces of nacho chips for $21

10 ounces of nacho chips for $20

• 7 ounces of nacho chips for $21

• 10 ounces of nacho chips for $20

• Neither

Calculate the better buy.

• 2-ounce bottle of soap for $18

• 8-ounce bottle of soap for $88

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar
• 6 cookies per dollar
• 9 cookies per dollar
• 1/9 dollars per cookie

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Justin can type 400 words in 4 minutes, how many words can he type per minute?

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. How many cats do you have? Use a tape diagram or ratio table to solve.

• 15

• 18

• 21

• 16