Uncle Dan's Algebra
"It sure helps to have a teacher!"
Table of Contents
Part 1 - Basic Operations and Solving Equations
Introduction to Integers and the Number Line 1
Addition of Integers 2
Subtraction of Integers 2
QUIZ: (Adding and Subtracting Integers) 4
Packages - "Do Me First" 5
Multiplication of Integers 6
Division of Integers 6
Operations with Integers Using Packages 7
QUIZ: (Operations with Integers Using Packages) 8
TEST- Operations with Integers 9
Exponents and Raising a Number to a Power 10
Order of Operations 10
QUIZ: (Exponents and Powers) 13
Evaluating Variable Expressions 14
Evaluating Variable Expressions with Exponents 16
More Evaluating Expressions 18
TEST- Evaluating Variable Expressions 20
Solving Equations 21
Order of Operations When Solving Equations 25
Combining Like Terms 26
Combining Terms: First Step in Solving Equations 26
Transposing: Are You Ready to Skip a Step? 27
QUIZ: (Solving Equations) 27
TEST- Solving Equations 28
 The Distributive Law 30
More Solving Equations 32
TEST- More Solving Equations 33
Part 2 - Solving Word Problems with Algebra
Writing Variable Expressions 34
Number Problems  36
Consecutive-Integer Problems 39
Age Problems 41
Geometry Problems: Angles and Degree Measure 43
Coin Problems: Penny, Nickel, Dime, Quarter 44
Uniform Motion Problems: Rate x Time = Distance 46
TEST- Solving Word Problems with Algebra   49
Part 3 - Coordinate Geometry and Systems of Equations
Graphing Linear Equations on a Coordinate Plane 51
Using the Slope-Intercept Form: y = mx + b  56
More on Slopes 58
Solving a System of Equations Graphically 62
 TEST- Coordinate Geometry 65
Solving Systems of Equations in Two Variable 68
Problems Using Two Variables - Digit Problems 72
TEST- Systems of Equations  74
Part 4 - Polynomials
Introduction to Polynomials 75
Adding Polynomials 75
Subtracting Polynomials 75
Multiplying and Powers: the Laws of Exponents for Multiplication 76
QUIZ: (Multiplying and Powers) 77
More Complicated Expressions Involving Multiplying and Powers 77
Multiplying a Monomial by a Polynomial 78
Multiplying a Polynomial by a Polynomial 79
Are You Ready to Skip a Step- The "FOIL" Method 80
The Laws of Exponents for Division 81
QUIZ: (The Laws of Exponents for Division) 84
Division of a Polynomial by a Monomial 85
Division of a Polynomial by a Polynomial 85
TEST- Basic Operations with Polynomials 87
Special Products   88
Factoring Out a Common Monomial Factor 89
Factoring Special-Product Polynomials 89
Factoring Quadratic Trinomials 90
Factoring Completely 91
TEST- Factoring 92
Part 5 - Fractions
Equivalent Fractions 93
Multiplying Fractions 96
Dividing Fractions 97
Adding and Subtraction Like Fractions 98
Adding and Subtracting Unlike Fractions 99
Simplifying Complex Fractions 103
Solving Equations Containing Fractions 106
Solving Quadratic Equations by Factoring 112
 Fractional Equations that Transform into Quadratic Equations 113
TEST - Operations and Equations with Fractions 115
Solving Word Problems Involving Quadratic Terms, Factoring, Etc. 118
Solving Word Problems Involving Equations with Fractions 121
TEST - Equations involving Quadratic Equations and Fractions 124
Part 6 - Radicals and Roots
Introduction to Rational and Irrational Numbers 125
Square Roots 125
The Laws of Square Roots 126
Adding and Subtracting Like Radicals 132
Mutliplying Radicals 134
Dividing Radicals 136
Solving Radical Equations 139
TEST- Radicals and Roots 142
Part 7 - More on Quadratic Equations
Solving Quadratic Equations by Completing the Square 144
The Derivation of the Quadratic Formula 147
Using the Quadratic Formula 147
The Discriminant and the Nature of the Roots 148
TEST - Completing the Square and The Quadratic Formula 150
Part 8 - Inequalities
Introduction to Inequalities 151
Solving Inequalities 154
Combining Inequalities 156
Absolute Values in Open sentences 161
TEST - Inequalities 164
Graphing Linear Inequalities in Two Variables 166
Solving a System of Inequalities Graphically 168
TEST - Graphing Linear Inequalities in Two Variables 169
Part 9 - Supplementary Topics
Calculating Square Roots 170
TEST - Calculating Square Roots 173
Changing Repeating Decimals to Fractions 174
TEST - Changing Repeating Decimals to Fractions 175
Scientific Notation 176
TEST - Scientific Notation 177
The Distance Formula 178
TEST - The Distance Formula 179
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