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Ch 16: WEST Middle Grades Math: Percents

About This Chapter

The WEST Middle Grades Math exam has been replaced by the National Evaluation Series (NES) Math exam. This exam will have questions on percentages. This chapter of our comprehensive study guide will help you review this key idea and prepare for your upcoming exam.

WEST Middle Grades Math: Percents - Chapter Summary

This chapter will help you recall the formal definition of percentages. It will also explore percentage notation and its relationship to other ways of expressing mathematical concepts, such as decimals and fractions. The chapter also helps you review percentage word problems. By the end of the chapter you will have strengthened your memory on:

  • Examples and definitions of percents
  • Changing percents to decimals and vice versa
  • Changing percents to fractions and vice versa
  • Solving problems involving percentages

Our exciting video lessons will make your studying a breeze. Make sure to take our practice questions at the end of each lesson as well.

9 Lessons in Chapter 16: WEST Middle Grades Math: Percents
Test your knowledge with a 30-question chapter practice test
What is a Percent? - Definition & Examples

1. What is a Percent? - Definition & Examples

In mathematics, a percent refers to each part of something, such as test scores, divided into 100 units. Explore the definition of percent and understand what it means by reviewing examples, writing percentages using three methods, and examining uses for percentages.

Converting from Percent Notation to Decimal Notation

2. Converting from Percent Notation to Decimal Notation

Numbers expressed in a percent can be converted to decimal notation quickly. Learn how to use percentages and decimals to navigate the world of pricing and taxes with ease.

Converting Percent Notation to Fraction Notation

3. Converting Percent Notation to Fraction Notation

Converting a percent notation to a fraction notation involves changing the percent number to a fraction that has 100 as the denominator and then reducing the fraction. Learn more about the definition of a percent notation and how to convert it into a fraction notation through two examples.

Changing Between Decimals and Percents

4. Changing Between Decimals and Percents

In mathematics, decimals and percents both represent numbers that are not whole. Explore how to identify decimals and percents, and learn how to change a number from a decimal to a percent, as well as from a percent to a decimal.

Converting Decimals to Fractions (and Back)

5. Converting Decimals to Fractions (and Back)

In mathematics, decimals and fractions both represent numbers that are not whole. Learn how to convert decimals to fractions, as well as how to convert fractions to decimals. Work problems to gain more understanding.

Converting Fractions to Percents & Back

6. Converting Fractions to Percents & Back

The values of fractions can be expressed as percentages and vice versa. Learn the simple method to converting a fraction to a percent and back, using a few examples.

Converting Fractions to Percents

7. Converting Fractions to Percents

Fractions are numbers that represent parts of a whole and can be converted into percents. Explore the definitions of fraction and percent and learn the methods for converting fractions to percents.

Solve Problems Using Percents

8. Solve Problems Using Percents

In mathematics, a percent represents an amount of something, such as humidity in the air, divided into 100 units. Learn about percents, including the shortcuts for changing word problems with percents into math problems. Gain understanding of percents by solving straightforward math problems, as well as more complex word problems that include percents.

How to Solve Word Problems That Use Percents

9. How to Solve Word Problems That Use Percents

To solve percent word problems, one follows four steps. Learn different ways of finding the percent, about finding the whole and the part, and percent change.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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More Exams
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