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Unit Rate and Proportions Flashcard

Unit Rate and Proportions Flashcard

Assessment

Flashcard

Mathematics

7th Grade

Practice Problem

Easy

Created by

Wayground Content

Used 1+ times

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 a quantity of one. For example, if you travel 150 miles in 5 hours, the unit rate is 30 miles per hour.

2.

FLASHCARD QUESTION

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 150 miles and 5 gallons, the unit rate is 150 miles ÷ 5 gallons = 30 miles per gallon.

3.

FLASHCARD QUESTION

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal. For example, if 1/2 = 2/4, then 1:2 is proportional to 2:4.

4.

FLASHCARD QUESTION

Front

How can you use proportions to solve problems?

Back

You can set up a proportion to find an unknown value by cross-multiplying and solving for the variable. For example, if 5/20 = x/100, then cross-multiplying gives 5*100 = 20*x.

5.

FLASHCARD QUESTION

Front

What does it mean to compare prices using unit rates?

Back

Comparing prices using unit rates allows you to determine which option offers the best value. For example, if one item costs $2 for 1 pound and another costs $3 for 2 pounds, you can find the unit rate to see which is cheaper per pound.

6.

FLASHCARD QUESTION

Front

If a car travels 240 miles on 8 gallons of gas, what is the unit rate in miles per gallon?

Back

30 miles per gallon (240 miles ÷ 8 gallons = 30 miles/gallon).

7.

FLASHCARD QUESTION

Front

If a recipe calls for 3 cups of flour for every 4 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 3:4.

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