# Ch 3: Understanding Number Theory & Estimation

If you're having difficulty understanding number theory and estimation, take a look at our informative chapter for some help. This easy-to-follow study guide contains short video and text lessons designed specifically to assist you as you study for an exam or catch up in the classroom.

## Understanding Number Theory & Estimation - Chapter Summary

Our expert instructors present topics relating to estimation and number theory in this helpful chapter. Topics discussed here include prime numbers, prime factorization, the greatest common factor and much more. After completing this chapter, you should be ready to:

• Explain what odd and even numbers are
• Explore the concept of prime and composite numbers with examples
• Find the prime factorization of a number
• Locate the greatest common factor and the least common multiple
• Examine the process of estimation as it's used in math
• Solve math problems using reasonableness
• Use estimation to solve mathematical problems

Take your time as you move through this informative chapter, and feel free to go back and review any of the lessons as needed. Our video lessons are easy to navigate using the video tabs feature if you want to watch just one section of a video over again. The quiz provided with each lesson is also a great way to test your comprehension before moving on or taking an important exam.

9 Lessons in Chapter 3: Understanding Number Theory & Estimation
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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