# Ch 2: Basic Arithmetic & Algebra

Review the basics of algebra and arithmetic with help from the informative lessons in this chapter. You can work through our video and text lessons on any mobile device or computer 24 hours a day to help you get ready to achieve a great score on an upcoming exam or quiz.

## Basic Arithmetic & Algebra - Chapter Summary

In this chapter, you'll learn about basic arithmetic and algebra, including adding, subtracting, multiplying and dividing rational numbers. Our lessons cover arithmetic using decimal numbers and the processes involved in changing between fractions and decimals. Topics also include using quadratic surds to solve equations, the powers and roots of numbers and how to solve inequalities using addition, subtraction, multiplication and division. After you complete this chapter, you should be able to:

• Convert numbers to scientific notation
• Explain what an inequality is
• Give an example of an absolute-value inequality
• Simplify practice algebraic expressions
• Use the substitution method to solve equations
• Solve algebra problems containing fractions

Each one of our video and text lessons is followed by a short multiple-choice quiz you can use to test your understanding before moving on to another lesson or in preparation for an exam. All of our learning materials are accessible 24 hours a day on your mobile device or computer. Or, if you like to study offline, our printable lesson transcripts highlight key concepts and terms. If at any time you need help, reach out to one of our instructors for assistance.

13 Lessons in Chapter 2: Basic Arithmetic & Algebra
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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