# Ch 2: Real Numbers

Use these video lessons and quizzes to help you understand the properties and types of real numbers. Find out how to use scientific notation and learn to solve equations including decimal numbers, percentages, fractions and square roots.

## Real Numbers - Chapter Summary

Begin your study of real numbers by learning how these can be further classified as natural, whole, rational and irrational numbers and integers. Discover their commutative, associative and distributive properties, among others, and find out how to work with decimals. If you're wary of performing mathematical operations with these numbers, instructors can show you tips for maintaining place value when adding, subtracting, multiplying and dividing. You can even learn techniques for converting decimals to fractions and percentages with ease.

Additional topics of study cover the significance of origin and identifying points on a number line and their usefulness in solving addition and subtraction problems or comparing decimals, fractions and whole numbers. When you're ready to work with exponents, instructors can also show you how to represent large numbers using scientific notation. A lesson on finding square roots concludes the chapter, which is designed to teach you the following main topics:

• Classifications and properties of real numbers
• Methods for converting among fractions, decimals and percentages
• Techniques for working with square roots and exponents

Our video lessons are taught by experienced instructors who use sample problems, examples and illustrations to help you discern between types of real numbers. If you need something to supplement the lesson content, there are corresponding self-assessment quizzes you can take as many times as you'd like. The lesson transcripts also include links to supplementary text lessons that you can use to bolster your understanding of key terms.

13 Lessons in Chapter 2: Real Numbers
Test your knowledge with a 30-question chapter practice test
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.