Ch 38: Prime Numbers, Composite Numbers & Divisibility Rules

About This Chapter

Supplement your prior education in mathematics by reviewing prime numbers, composite numbers and divisibility rules through this chapter. Several online video lessons and multiple-choice quizzes will help you gain expertise in these areas.

Prime Numbers, Composite Numbers & Divisibility Rules - Chapter Summary

Brush up on the characteristics of composite and prime numbers. This chapter lends itself to the study of prime numbers, composite numbers and divisibility rules. Once you begin watching the video lessons, look at various kinds of numbers and acquire tips for easily identifying them. As you work through the chapter, determine what makes numbers equally divisible by other numbers. Complete these lessons in order to:

  • Recognize composite and prime numbers, and correctly complete sample problems involving each
  • Discuss the numbers that are divisible by 2, 3 and 4
  • Use specified patterns to locate numbers that are equally divisible by 5, 6 and 7
  • Find out whether numbers are divisible by 8, 9 and 10

These videos are designed to fit into your busy schedule, and they can be watched online 24/7. Your stationary computer or mobile device provides access to the videos. Progress through the animated lessons by using the video tags, and pause the lessons in order to learn at a comfortable pace. The ask-an-expert feature allows you to interactively submit questions to the knowledgeable lesson instructors. Practice examinations and worksheets are included, as are short multiple-choice quizzes that test your grasp of the material.

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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Other Chapters

Other chapters within the Ohio Assessments for Educators - Elementary Education (018/019): Practice & Study Guide course