Ch 26: Place Value System

About This Chapter

This chapter goes over the ins and outs of the place value system. You'll learn to navigate the language of decimals as well as the definition and application of related mathematical concepts.

Place Value System - Chapter Summary

This chapter fleshes out the mathematical language of the place value system. You'll review how to find place value in different kinds of numbers and be shown how to perform related mathematical actions. The topics discussed in this chapter include:

  • Decimal place value
  • Expanded form
  • Locating place value within whole numbers
  • Multiplying by powers of ten
  • Rounding numbers

The practice quizzes accompanying each lesson allow you to keep tabs on your understanding topic-by-topic, with a practice final exam at the end of the chapter providing a more overall evaluation of your knowledge. You can stay organized using the dashboard feature, where you'll find a quick view of your recent activity and progress through the chapter as well as the option to ask subject experts questions on the material.

6 Lessons in Chapter 26: Place Value System
Test your knowledge with a 30-question chapter practice test
What is a Decimal Place Value?

1. What is a Decimal Place Value?

In this video lesson, you will see how a decimal, a simple dot, can change the place value of all the digits in a number. You will also learn how to read decimals using place values.

What is Expanded Form in Math? - Definition & Examples

2. What is Expanded Form in Math? - Definition & Examples

In this lesson, we'll review place value and find out how it's useful when writing numbers in expanded form. We'll also look at a few examples of numbers written out in expanded form.

Decimal Place Value to the Trillions

3. Decimal Place Value to the Trillions

Really large numbers, like those in the trillions, can sometimes be confusing. In this lesson, learn about the details of decimal place value, which help us organize and recognize numbers, and find out how to name place value up to the trillions.

Finding Place Values in Whole Numbers

4. Finding Place Values in Whole Numbers

After watching this video lesson, you will be able to find the location of any place value that you are given. You will also be able to identify them in any whole number.

How to Multiply by Powers of 10

5. How to Multiply by Powers of 10

Multiplying by powers of ten is one of the most commonly used math skills, and one of the easiest to learn. In this lesson, you will learn several tricks to help you remember this fundamental, versatile math skill.

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

6. 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.

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 Praxis Elementary Education - Multiple Subjects (5001): Practice & Study Guide course

Support