Ch 3: Glencoe Pre-Algebra Chapter 3: Operations with Rational Numbers

About This Chapter

The Operations with Rational Numbers chapter of this Glencoe Pre-Algebra Companion Course helps students learn the essential math lessons of rational number operations. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Operations with Rational Numbers textbook chapter.

How It Works:

  • Identify the lessons in Glencoe Pre-Algebra's Operations with Rational Numbers chapter with which you need help.
  • Find the corresponding video lessons within this companion course chapter.
  • Watch fun videos that cover the rational number operations topics you need to learn or review.
  • Complete the quizzes to test your understanding.
  • If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

Students will learn:

  • The relationship between fractions and decimals
  • The definition and examples of rational numbers
  • Comparing decimals, fractions and whole numbers on a number line
  • Multiplication and division with fractions and mixed numbers
  • Adding and subtracting like/unlike fractions and mixed numbers

Glencoe is a registered trademark of McGraw-Hill Education, which is not affiliated with Study.com.

7 Lessons in Chapter 3: Glencoe Pre-Algebra Chapter 3: Operations with Rational Numbers
Test your knowledge with a 30-question chapter practice test
Relating Fractions and Decimals

1. Relating Fractions and Decimals

Watch this video lesson to learn how to use both fractions and decimals to help you solve problems. Learn how to change between the two to use the best one for your problem.

Changing Between Decimals and Fractions

2. 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.

Using the Number Line to Compare Decimals, Fractions, and Whole Numbers

3. Using the Number Line to Compare Decimals, Fractions, and Whole Numbers

Watch this video lesson to learn how useful the number line can be when you need to compare two different numbers, be they whole numbers, decimals or even fractions. Learn how to plot these numbers on the number line so you can compare them.

Multiplying Fractions and Mixed Numbers

4. Multiplying Fractions and Mixed Numbers

Multiplying fractions is much more straightforward than adding, subtracting or dividing fractions. In this lesson, learn how it works. We'll also learn how to multiply mixed numbers.

Dividing Fractions and Mixed Numbers

5. Dividing Fractions and Mixed Numbers

Dividing fractions and mixed numbers? It sounds daunting, but it's not as tricky as it sounds. In this lesson, we'll learn how to divide fractions and mixed numbers.

How to Add and Subtract Like Fractions and Mixed Numbers

6. How to Add and Subtract Like Fractions and Mixed Numbers

When adding and subtracting fractions, you must be sure to have a common denominator. Once you have a common denominator, you just add or subtract your numerators and then your whole numbers. Learn how in this lesson.

How to Add and Subtract Unlike Fractions and Mixed Numbers

7. How to Add and Subtract Unlike Fractions and Mixed Numbers

Simple fraction arithmetic gets a little more complicated when our denominators don't match. In this lesson, we'll learn how to add and subtract unlike fractions. Then, we'll do the same with mixed numbers.

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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