Basic operations with real numbers

OpenStax

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2 Positive and negative numbers

4 Practice set a

7 Practice set b

9 Exercises for review

2 Geometric definition of absolute value

3 Algebraic definition of absolute value

5 Practice set a

7 Exercises for review

Addition of signed numbers

2 Addition of numbers with like signs

4 Practice set a

5 Addition with zero

6 Addition of numbers with unlike signs

8 Practice set b

10 Exercises for review

Subtraction of signed numbers

Multiplication and division of signed numbers

Negative exponents

Scientific notation

2 Standard form to scientific form

4 Practice set a

5 Scientific form to standard form

7 Practice set b

8 Working with numbers in scientific notation

10 Practice set c

12 Exercises for review

Summary of key concepts

Exercise supplement

Proficiency exam

Source: OpenStax, Elementary algebra. OpenStax CNX. May 08, 2009 Download for free at http://cnx.org/content/col10614/1.3

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