Ratios/Rates/Proportions

Ratios/Rates/Proportions

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Hard

CCSS
6.RP.A.1, 6.RP.A.3B, 7.RP.A.2A

+2

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 ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

2.

FLASHCARD QUESTION

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as speed (miles per hour) or price per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

3.

FLASHCARD QUESTION

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

4.

FLASHCARD QUESTION

Front

How do you calculate the unit cost?

Back

To calculate the unit cost, divide the total cost by the number of units. For example, if 15 pizzas cost $97.50, the unit cost is $97.50 ÷ 15 = $6.50 per pizza.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

5.

FLASHCARD QUESTION

Front

Which is a better buy: 12-pack of soda for $3.50 or 6-pack for $1.80?

Back

To find the better buy, calculate the cost per item. 12-pack: $3.50 ÷ 12 = $0.29 per soda; 6-pack: $1.80 ÷ 6 = $0.30 per soda. The 12-pack is the better buy.

Tags

CCSS.6.RP.A.3B

6.

FLASHCARD QUESTION

Front

If Maya earns $10 an hour, how many hours to earn $150?

Back

To find the hours, divide the total amount by the hourly wage: $150 ÷ $10 = 15 hours.

Tags

CCSS.6.RP.A.3B

7.

FLASHCARD QUESTION

Front

How do you find the cost of one item from a total cost?

Back

To find the cost of one item, divide the total cost by the number of items. For example, if 20 adult tickets cost $250, the cost per ticket is $250 ÷ 20 = $12.50.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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