Copyright

Ch 6: 8th Grade Math: Estimation and Rounding

About This Chapter

The creative and easy-to-follow videos show 8th graders how to estimate and round whole numbers and decimals with ease. There are lesson quizzes and a chapter exam included to allow you to examine their progress.

Estimation and Rounding - Chapter Summary

By using the video lessons in this chapter, you can help reinforce the concepts of estimation and rounding in your 8th grade classroom. The practical and fun videos examine the need for knowing how to estimate or round in everyday situations and help students learn to add and subtract by estimating as well. Students can complete the chapter exam after they finish the last practice quiz.

Chapter Lessons and Objectives

Lesson Objective
Rounding Numbers to the Nearest 1000, 10,000 & 100,000 Students learn methods for rounding to the nearest thousand, ten thousand and hundred thousand.
Estimating a Difference by Rounding Instructors describe the way to estimate a difference by rounding.
How to Use Front-End Estimation Students explore front-end estimation and how it applies to addition and subtraction.
Rounding Decimals & Finding the Missing Digit This lesson covers how to round decimals and ways to find the missing digit in a decimal.
Estimating the Sum & Difference Between Two Decimals Students have the chance to practice estimating the sum and difference between two decimals.
How to Round Mixed Numbers With this lesson, students learn to round mixed numbers.

6 Lessons in Chapter 6: 8th Grade Math: Estimation and Rounding
Test your knowledge with a 30-question chapter practice test
Rounding Numbers to the Nearest 1000, 10,000 & 100,000

1. Rounding Numbers to the Nearest 1000, 10,000 & 100,000

After watching this video lesson, you will be able to round larger numbers like a pro. Learn what the cutoff numbers are for rounding up and down to the nearest thousand, ten thousand and hundred thousand.

Estimating a Difference by Rounding

2. Estimating a Difference by Rounding

After studying this lesson, you will understand rounding basics. You'll also learn how to quickly solve subtraction problems by using your rounding skills.

How to Use Front-End Estimation

3. How to Use Front-End Estimation

In this video lesson, you will learn how to estimate addition and subtraction problems by using the method of front end estimation. Learn what is involved and what you need to be careful of.

Rounding Decimals & Finding the Missing Digit

4. Rounding Decimals & Finding the Missing Digit

After watching this video lesson, you will learn how to round decimals and how to use your knowledge of rounding to help you find a missing digit. Learn what the difference is between rounding decimals and rounding regular numbers.

Estimating the Sum & Difference Between Two Decimals

5. Estimating the Sum & Difference Between Two Decimals

In this video lesson, you will learn how to take an addition or subtraction problem with decimals and estimate the answer by rounding. You will learn that a rounded answer is very close to the actual answer.

How to Round Mixed Numbers

6. How to Round Mixed Numbers

After watching this video lesson, you should be able to round mixed numbers easily and quickly. You will learn about what number to look at to determine whether you should round up or round down.

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

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? Study.com has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

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

Support