# Ch 5: NES Middle Grades Math: Number Theory

This chapter emphasizes number theory, and it includes relevant definitions and examples of word problems to strengthen your solving capabilities. Review the chapter's video lessons in anticipation of performing well on the NES Middle Grades Math test.

## NES Middle Grades Math - Number Theory - Chapter Summary

This chapter on number theory is designed to contribute to your existing comprehension of multiples, factors, prime and composite numbers as well as the processes involved in prime factorization. Review the chapter's video lessons before you go on to take the NES Middle Grades Math examination. When you explore this chapter, you could increase your ability to:

• Define and differentiate between prime, composite, odd and even numbers
• Calculate a number's prime factorization
• Factor numbers with prime numbers and exponents
• Solve word problems with the greatest common factor and the least common multiple
• Find the least common multiple with prime factorization

Each of these short video lessons is narrated by a knowledgeable instructor. Prepare for the NES Middle Grades Math examination by watching or listening to the videos, referring to the accompanying transcripts and worksheets, and asking questions of the experts as necessary. When you feel you've got a firmer understanding of number theory, take the lesson quizzes. You can take them again if needed, then print out the results for future reference.

### NES Middle Grades Math - Number Theory Objectives

Number theory questions are represented on the Number Sense and Operations content domain of the NES Middle Grades Math examination. Demonstrate your proficiency at applying these concepts as they relate to prime factorization, the greatest common factor and the least common multiple. The Number Sense and Operations domain is the first of four examination domains, and it accounts for 17% of the test score. Provide accurate answers to the examination's 150 multiple-choice questions in order to qualify for a middle grades mathematics teaching certification. This computer-based assessment should take no longer than four hours and 15 minutes to finish.

9 Lessons in Chapter 5: NES Middle Grades 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

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