Ch 12: 6th-8th Grade Math: Rational Numbers

About This Chapter

Developed with 6th, 7th and 8th graders in mind, the entertaining video lessons included in this chapter focus on rational numbers and how to perform mathematical operations with them. Students can take self-assessment quizzes and a chapter exam to see how well they've mastered the included concepts.

Rational Numbers - Chapter Summary

Math students in the 6th-8th grades can use the short lessons in this chapter to reinforce what they've learned in class about rational numbers. The lessons feature videos, transcripts and multiple-choice quizzes that all work to make learning an engaging activity. Instructors cover topics such as graphing rational numbers, finding the absolute value of rational numbers and completing basic math operations with rational numbers. Students can take a chapter exam to check their comprehension, and even submit questions to instructors for additional help.

Chapter Lessons and Objectives

VideoObjective
Comparing & Ordering Rational NumbersStudents learn how to determine whether a rational number is greater than, less than or equal to another rational number.
Graphing Rational Numbers on a Number LineThe instructor discusses how to graph rational numbers accurately on number lines.
Finding the Absolute Value of a Rational NumberThis lesson covers strategies for finding a rational number's absolute value.
Adding & Subtracting Rational NumbersStudents learn what steps to use to add and subtract rational numbers.
Multiplying & Dividing Rational NumbersIn this lesson, students find out the steps involved in multiplying and dividing rational numbers.
Notation for Rational Numbers, Fractions & DecimalsStudents learn to convert a rational number in fraction notation to decimal notation.

6 Lessons in Chapter 12: 6th-8th Grade Math: Rational Numbers
Test your knowledge with a 30-question chapter practice test
Comparing & Ordering Rational Numbers

1. Comparing & Ordering Rational Numbers

After watching this video lesson, you will be able to look at any rational number and compare it with any other rational number. Learn what you need to do so that you know which number is greater or lesser than another.

Graphing Rational Numbers on a Number Line

2. Graphing Rational Numbers on a Number Line

Number lines have many uses both in mathematics and everyday life. This lesson will teach you how to graph numbers on a number line and give real-world examples of how to use number lines.

Finding the Absolute Value of a Rational Number

3. Finding the Absolute Value of a Rational Number

Watch this video lesson and you will learn how to deal with absolute values of simple numbers and more complex problems. Learn the order in which you should do calculations so that your answers are correct.

Adding & Subtracting Rational Numbers

4. Adding & Subtracting Rational Numbers

After watching this video lesson, you will be able to add and subtract rational numbers like a pro. Learn what is involved in adding and subtracting these types of numbers.

Multiplying & Dividing Rational Numbers

5. Multiplying & Dividing Rational Numbers

After watching this video lesson, you will know how to multiply and divide rational numbers. You will know when you need to flip your number and when you don't.

Notation for Rational Numbers, Fractions & Decimals

6. Notation for Rational Numbers, Fractions & Decimals

How do fractions become decimals? And how do decimals become fractions? In this lesson, we'll learn about the notation of rational numbers, fractions and decimals and learn how they're related.

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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Other Chapters

Other chapters within the 6th-8th Grade Math: Practice & Review course

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