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Ch 36: Number Theory Concepts

About This Chapter

Use the lessons in this chapter to review numbers and number concepts, including prime and composite numbers and different divisibility rules. After you finish each lesson, take its corresponding quiz to gauge how well you understand the material.

Number Theory Concepts - Chapter Summary

In these lessons, our instructors will walk you through different types and properties of numbers. You'll study up on definitions and examples of key number concepts. Specifically, you'll examine:

  • Prime and composite numbers
  • Finding multiples of numbers
  • Factors of numbers and variables
  • Odd and even numbers
  • Visualizing divisible numbers
  • Examples of numbers divisible by numbers 2-10

We seek to make the educational experience engaging and effective, so you'll find several methods for learning. This chapter contains videos that visually explore the material. You can take self-assessment quizzes along the way to test your understanding of the topics. Finally, you can complete the cumulative chapter exam to test how well you've absorbed the information.

8 Lessons in Chapter 36: Number Theory Concepts
Test your knowledge with a 30-question chapter practice test
What Are Prime Numbers? - Definition & Examples

1. What Are Prime Numbers? - Definition & Examples

In this lesson, we'll do a brief review of factors, and then learn how factors make prime numbers unique. You can also test your knowledge with a brief quiz.

What Are Composite Numbers? - Definition & Examples

2. What Are Composite Numbers? - Definition & Examples

In this lesson, you'll learn what composite numbers are and briefly touch on prime numbers. You'll also learn a couple of rules about composite numbers. Then, you can test your new knowledge with a brief quiz.

What is a Multiple in Math? - Definition & Overview

3. What is a Multiple in Math? - Definition & Overview

In this lesson we will learn about multiples, a useful concept usually introduced in grammar school multiplication tables. Understanding multiples allows you to find the least common multiple or least common denominator for two or more numbers.

Math Factor: Definition & Explanation

4. Math Factor: Definition & Explanation

In this lesson, you'll learn how you can find factors of both numbers and variables. Discover how one number can have many different factors. Learn how you can use factors to your advantage.

What Are Odd & Even Numbers? - Definition & Examples

5. What Are Odd & Even Numbers? - Definition & Examples

In this lesson, you'll learn what odd and even numbers are with the help of some visual aids. You'll also learn some interesting properties of odd and even numbers. Then, you can test your new knowledge with a brief quiz.

Divisibility by 2, 3, and 4

6. Divisibility by 2, 3, and 4

In this video lesson, you will learn what it means to be divisible. Also, you'll see what numbers are divisible by 2, 3, and 4. You will also learn how you can check if something is divisible by these numbers.

Divisibility by 5, 6, and 7

7. Divisibility by 5, 6, and 7

In this video lesson, we will see what numbers can be divided equally by 5, 6, and 7. Learn the pattern that you can use to find other numbers divisible by 5, 6 and 7. Learn how you can visualize divisibility.

Divisibility by 8, 9, and 10

8. Divisibility by 8, 9, and 10

In this video lesson, we will see what numbers are divisible by 8, 9, and 10. You will learn how you can figure out these numbers yourself. Learn what it means to be divisible.

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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