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Ch 5: Praxis I Math: Properties of Whole Numbers

About This Chapter

The Praxis I Math: Properties of Whole Numbers chapter gives you a refresher on how to identify the greatest common factor and the least common multiple. Use the chapter's video lessons to help you master your skills.

Praxis I Math: Properties of Whole Numbers - Chapter Summary

The lessons in this chapter correspond with the Praxis I Math exam. The chapter reviews how to identify even and odd numbers, as well as explaining what prime numbers are. After completing this chapter, you should be able to do the following:

  • Recognize even and odd numbers
  • Define prime numbers
  • Find the greatest common factor and the least common multiple between a set of numbers
  • Be able to identify which numbers are divisible by 2-10

The chapter's short video lessons have an available transcript in case you feel like reading the material. Use the quizzes at the end of the chapter to ensure that you have a firm grasp on the subject.

7 Lessons in Chapter 5: Praxis I Math: Properties of Whole Numbers
Test your knowledge with a 30-question chapter practice test
How to Identify Even & Odd Numbers

1. How to Identify Even & Odd Numbers

In this short lesson, you will learn a bit more about numbers. You will learn what makes a number even, what makes a number odd, and how to identify each.

What Are Prime Numbers? - Definition & Examples

2. 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.

How to Find the Greatest Common Factor

3. How to Find the Greatest Common Factor

If the factors of a number are the different numbers that you can multiply together to get that original number, then the greatest common factor of two numbers is just the biggest one that both have in common. See some examples of what I'm talking about here!

How to Find the Least Common Multiple

4. How to Find the Least Common Multiple

The least common multiple of two numbers is the smallest number that can be divided evenly by your two original numbers. See some examples of what I'm talking about here!

Divisibility by 2, 3, and 4

5. 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

6. 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

7. 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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