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Understanding Ratios, Rates, and Percents in Math

Learn how to write ratios in different ways, create equivalent ratios, simplify and compare ratios as fractions. Understand proportions and solve examples. Discover rates, unit rates, and how to calculate percents from fractions and decimals.

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Understanding Ratios, Rates, and Percents in Math

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  1. Module 7 Test Review

  2. Understanding Ratios • Ratios can be written in three ways • Using the word “to” • 18 to 13 • As a fraction • Using a colon : • 18:13 • Write them in the same order that the words are written in. • We can create equivalent ratios, simplify ratios and compare ratios, just like fractions. Apply your fractions rules. • A proportion is two ratios that are equal. Solving proportion example

  3. Rates and Unit Rates • Rate • Ratio measured in two different units • 300 miles in 6 hrs • Unit Rate • Rate that has a denominator of 1 • 50 miles per hr

  4. Percents, Fractions and Decimals

  5. Percent of a Number

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