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unit rates and proportions

unit rates and proportions

Assessment

Flashcard

Mathematics

7th - 8th Grade

Practice Problem

Hard

CCSS
6.RP.A.1, 7.RP.A.2A, 7.RP.A.2C

+4

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 you travel 60 miles in 2 hours, the unit rate is 30 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

2.

FLASHCARD QUESTION

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate from a ratio, divide the first quantity by the second quantity. For example, if the ratio is 18 orders in 3 days, the unit rate is 18 ÷ 3 = 6 orders per day.

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. For example, if a/b = c/d, then a, b, c, and d are in proportion.

Tags

CCSS.7.RP.A.2A

4.

FLASHCARD QUESTION

Front

How do you solve for a variable in a proportion?

Back

To solve for a variable in a proportion, cross-multiply and then isolate the variable. For example, if 12/z = 3/4, then 12 * 4 = 3 * z, leading to z = 16.

Tags

CCSS.7.RP.A.2C

5.

FLASHCARD QUESTION

Front

What is the equivalent fraction for 50%?

Back

The equivalent fraction for 50% is 1/2.

6.

FLASHCARD QUESTION

Front

How do you convert a percentage to a fraction?

Back

To convert a percentage to a fraction, write the percentage over 100 and simplify. For example, 25% = 25/100 = 1/4.

7.

FLASHCARD QUESTION

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another. For example, the ratio of red apples to green apples can be expressed as 4 to 3.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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