# Ch 10: NES Essential Academic Skills Math: Number Theory

These lessons are about the different types of numbers, scientific notation and finding greatest common factors and least common multiples. Use this chapter to prepare for related questions on the NES Essential Academic Skills Subtest III: Mathematics exam.

## NES Essential Academic Skills Math: Number Theory - Chapter Summary

As you study for the National Evaluation Series (NES) Essential Academic Skill Subtest III: Mathematics exam, use these lessons to improve your abilities to identify different types of numbers, use scientific notation, and find greatest common factors and least common multiples. These lessons are taught by professional instructors who will explain the following topics:

• Different types of numbers
• Converting numbers into scientific notation
• Comparing numbers in scientific notation
• Steps in finding greatest common factors
• Methods for finding least common multiples

This chapter also includes lesson quizzes that you can use to see what subjects could use extra review. Use the video tags from the quiz results to return to the locations in the videos that discuss your areas of weakness and improve your understanding. Alternatively, you can read the lesson transcripts for a written overview that will help you learn the key terms and figures of the chapter.

### NES Essential Academic Skills Math: Number Theory Chapter Objectives

The NES Essential Academic Skill Subtest III: Mathematics exam is a computer-based certification exam composed of 45 multiple-choice questions. It is used to measure future teachers' understanding of basic mathematics. Test takers are tasked with completing these questions in a 60-minute testing session. Some of these questions will test your understanding of number properties and operations. With this chapter prepare for some of these questions by improving your understanding of the different types of numbers, scientific notation, greatest common factors and least common multiples.

5 Lessons in Chapter 10: NES Essential Academic Skills Math: Number Theory
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.