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Rates, Ratios, and Proportions

Rates, Ratios, and Proportions

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Hard

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 you pay $1.95 for 5 bananas, the unit rate is the cost of one banana.

2.

FLASHCARD QUESTION

Front

How do you find the unit rate from a total cost?

Back

To find the unit rate, divide the total cost by the number of items. For example, if 5 soft drinks cost $3.25, the unit rate is $3.25 ÷ 5 = $0.65 per drink.

3.

FLASHCARD QUESTION

Front

What is a ratio?

Back

A ratio is a relationship between two quantities, showing how many times one value contains or is contained within the other. For example, the ratio of 10 shaded squares to 6 not shaded squares is written as 10:6.

4.

FLASHCARD QUESTION

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD). For example, the ratio 10:6 can be simplified to 5:3.

5.

FLASHCARD QUESTION

Front

What is the difference between a rate and a ratio?

Back

A rate is a specific kind of ratio that compares two quantities with different units, while a ratio compares two quantities with the same unit.

6.

FLASHCARD QUESTION

Front

If Ms. Gombos bought 8 packs of paper for $27.00, what is the cost per pack?

Back

To find the cost per pack, divide the total cost by the number of packs: $27.00 ÷ 8 = $3.375 per pack.

7.

FLASHCARD QUESTION

Front

How do you determine which option is a better buy?

Back

To determine the better buy, calculate the unit price for each option and compare them. The option with the lowest unit price is the better buy.

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