Ch 12: Decimals, Percents & Operations

About This Chapter

Watch fun and engaging lessons from home or on-the-go to boost your knowledge of decimals, percents and operations. Gauge your comprehension of these math subjects and enhance your ability to excel on an upcoming test by taking mini quizzes and a practice exam.

Decimals, Percents & Operations - Chapter Summary

Our instructors have developed entertaining lessons you can access anytime to improve your understanding of decimals, percents and operations. Feel confident in your ability to solve problems using percents, make arithmetic calculations with signed numbers and more. When finished with this chapter, you will be able to:

  • Use decimal numbers to solve problems
  • Define and share examples of percents
  • Change between percents and decimals
  • Switch between decimals and fractions
  • Share examples of ratios and proportions

The lessons in this chapter are available in two formats: videos and text transcripts. Feel free to use one or both formats as you improve your understanding of decimals, percents and operations. Multiple-choice quizzes are available with the lessons to test your understanding of the concepts they cover. To gauge your overall comprehension of this subject, be sure to take our practice chapter exam.

7 Lessons in Chapter 12: Decimals, Percents & Operations
Test your knowledge with a 30-question chapter practice test
Arithmetic Calculations with Signed Numbers

1. Arithmetic Calculations with Signed Numbers

Signed numbers are often referred to as integers. Integers include both positive and negative numbers. In this lesson, you will learn how to add, subtract, multiply, and divide integers.

Solving Problems Using Decimal Numbers

2. Solving Problems Using Decimal Numbers

Problems involving decimal numbers might sound like a way to torture you, but learning how important these types of problems are in the real world is important. In this lesson, you will see a couple areas in life where you routinely encounter decimal number problems.

What is a Percent? - Definition & Examples

3. What is a Percent? - Definition & Examples

Thinking in terms of pizza is an excellent way to think about percentages. Learn how it can help you understand percentages in this video lesson. You will also learn about the uses of percentages in the real world.

Changing Between Decimals and Percents

4. Changing Between Decimals and Percents

Watch as we go on a rollercoaster ride in changing from a decimal to percent and then back again. Learn to master this technique so you can get as fast as a rollercoaster going downhill on tests and quizzes when you have to convert between the two.

Solve Problems Using Percents

5. Solve Problems Using Percents

Percents are your friend. Think of all the cool things percents do for you. They save you money, and they tell you how well you are doing in school. Learn how you can solve problems with percents in this video lesson.

Changing Between Decimals and Fractions

6. Changing Between Decimals and Fractions

In this video lesson, you will learn about the usefulness of knowing how to change quickly between decimals and fractions. You will also learn how changing from a decimal to a fraction is different than changing from a fraction to a decimal.

Ratios and Proportions: Definition and Examples

7. Ratios and Proportions: Definition and Examples

Watch this video lesson to learn how ratios and proportions are related. Also, learn how ratios and proportions are used in real life and how you can apply them to yours.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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