Ratios/Unit Rates/Scale Factor/Proportions

A comparison of two quantities using the word to, for every/each, or a colon :.

• Ratio

• Rate

• quantity

• scale factor

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A ratio that compares two quantities of different units. Like miles per hour, feet per second.

• rate

• ratio

• percent

• fraction

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

You travel 150 miles on 5 gallons. Find the unit rate per gallon.

• 15 miles per gallon
• 30 miles per gallon
• 3 miles per gallon
• 25 miles per gallon

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Find the unit rate of 624 calories in 3 servings.

• 1,872 calories per serving
• 208 calories per serving
• 624 calories per serving
• 621 calories per serving

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Express as a unit rate. Round to the nearest tenth, if necessary.
         $25.97 for 8 boxes 

• $3.24 per box
• $.31 per box
• $3.25 per box
• $3 per box

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour
• 15 customers per hour
• 12 customers per hour
• 20 customers per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In an animal shelter, the ratio of cats to dogs is 3 to 5. If there are a total of 25 dogs at the shelter, how many cats do they have?

• 15
• 18
• 21
• 32

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

If the car travels 280 miles in 7 hours, how far will it travel in 12 hours? Write a proportion and then solve using unit rate.

• 480
• 1960
• 84
• 25

Tags

CCSS.6.RP.A.3B

Hamburger meat sells for $6 for every 3 pounds. If Alicia buys 10 pounds of hamburger meat, how much will she pay? Write a proportion and then solve using unit rate.

• $30
• $20
• $60
• $10

Tags

CCSS.6.RP.A.3B

Mrs. Ayala paid $3 for 6 muffins and Mrs. Barton paid $9 for 18 muffins.   Did they pay the same amount per muffin?

• yes, equivalent
• no, not equivalent

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3