Best Buy: Unit Rates

Best Buy: Unit Rates

Assessment

Flashcard

Mathematics

5th - 7th Grade

Practice Problem

Hard

CCSS
6.RP.A.1, 6.RP.A.3B, 7.RP.A.1

+1

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

2.

FLASHCARD QUESTION

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the first quantity by the second quantity. For example, if 10 apples cost $5, the unit rate is $5 ÷ 10 = $0.50 per apple.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

3.

FLASHCARD QUESTION

Front

What is the unit rate of 5 lb of sugar costing $25?

Back

The unit rate is $25 ÷ 5 lb = $5 per lb.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

4.

FLASHCARD QUESTION

Front

If 8 lb of sugar costs $50, what is the unit rate?

Back

The unit rate is $50 ÷ 8 lb = $6.25 per lb.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

5.

FLASHCARD QUESTION

Front

Which is the better buy: 5 lb of sugar for $25 or 8 lb for $50?

Back

5 lb of sugar for $25 is the better buy because it costs $5 per lb compared to $6.25 per lb for 8 lb.

Tags

CCSS.6.RP.A.3B

6.

FLASHCARD QUESTION

Front

How much is one dozen crabs if 2 1/2 dozen costs $75?

Back

One dozen crabs costs $75 ÷ 2.5 = $30.

Tags

CCSS.7.RP.A.1

7.

FLASHCARD QUESTION

Front

What is the cost per ounce of nacho chips if 27 ounces cost $3.51?

Back

The cost per ounce is $3.51 ÷ 27 ounces = $0.13 per ounce.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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