1. Real Numbers

2. Chapter Sections 1.1 – Study Skills for Success in Mathematics
1.2 – Problem Solving
1.3 – Fractions
1.4 – The Real Number System
1.5 – Inequalities and Absolute Value
1.6 – Addition of Real Numbers
1.7 – Subtraction of Real Numbers
1.8 – Multiplication and Division of Real Numbers
1.9 – Exponents, Parentheses and Order of Operations
1.10 – Properties of the Real Number System

3. Subtraction of
Real Numbers

4. Subtracting
In general, if a and b represent any two real numbers, then
a – b = a + (-b)
Examples 1 and 2:
1.) 9 – (+4) =9 + (– 4) = 5
2.) 5 – 3 = 5 + (– 3) = 2

5. More Examples Example: 3 1.) 3 – 10 =3 + (– 10) = -7
2.) -6 – 4 = -6 + (– 4) = -10