Ratio Vocab

Front

What is a Part-to-Part Ratio?

Back

A ratio that compares one part of a whole to another part of the same whole, such as the ratio of boys to girls in a class.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a Rate?

Back

A ratio that compares two different kinds of quantities, like miles per hour or price per item.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a Part-to-Whole Ratio?

Back

A ratio that compares one part of a whole to the entire whole, showing the relationship between a part and the total amount.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What are Equivalent Ratios?

Back

Ratios that represent the same relationship between numbers, such as 2:3 and 4:6, which simplify to the same ratio.

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CCSS.6.RP.A.3A

Front

What is Cross Multiplication?

Back

A method used to solve proportions by multiplying the cross products to find the missing value in a proportion.

Tags

CCSS.7.RP.A.2C

Front

What is a Proportion?

Back

An equation that states that two ratios are equal.

Tags

CCSS.7.RP.A.2A

Front

What is a Unit Rate?

Back

A rate in which the second quantity is one unit, such as 60 miles per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you simplify a ratio?

Back

By dividing both parts of the ratio by their greatest common factor.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a Scale Factor?

Back

A number that scales, or multiplies, some quantity, often used in similar figures.

Tags

CCSS.7.G.A.1

Front

What is the difference between a Part-to-Part Ratio and a Part-to-Whole Ratio?

Back

A Part-to-Part Ratio compares two parts of a whole, while a Part-to-Whole Ratio compares one part to the entire whole.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2