# Ch 12: Numbers & Operations

Get a refresher on numbers and operations by watching and reading the lessons in this chapter. You will also gain valuable practice taking skills with the self-assessments found after every lesson.

## Numbers & Operations- Chapter Summary

In this chapter, you will review important information about numbers and operations. Our expert instructors will guide you through your exploration of the engaging, fun and informative lessons. These lessons will cover material such as:

• Significance of place value
• Examples of numerical expression
• Operations with integers
• Ways to divide fractions and mixed numbers
• Breaking down numbers through prime factorization
• Greatest common factors and least common multiples
• How to find the absolute value
• Switching between decimals and fractions
• Performing basic math with decimals
• Importance of the order of operations
• Use of algorithms

Our lessons were made to be available at home on your computer or on-the-go when you utilize your mobile device. This gives you the flexibility to study in a way that is convenient for you and your schedule. After you complete each lesson, take the lesson quizzes. These quizzes will measure your level of understanding of the material that is presented to you.

12 Lessons in Chapter 12: Numbers & Operations
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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