Some Common Symbols in the Book 1
Chapter 1 Primary Knowledge of Algebra 2
1.1 Algebraic Expressions 4
1.2 Making Algebraic Expressions 10
1.3 Values of Algebraic Expressions 14
1.4 Formulas 18
Have a Read The Interest of Deposit 22
1.5 Simple and Easy Equations 24
Summary and Review 31
Review Exercise 1 34
Self-examination 1 38
Chapter 2 Rational Numbers 39
Ⅰ Meaning of Rational Numbers 41
2.1 Positive and Negative Numbers 41
2.2 Number Axis 48
2.3 Opposite Numbers 54
2.4 Absolute Value 57
Ⅱ Calculations of Rational Numbers 62
2.5 Adding Rational Numbers 62
2.6 Subtracting Rational Numbers 72
Have a Read China is the Earliest Counntry to Use Negative Numbers 77
2.7 Mixed Operation of Adding and Subtracting Rational Numbers 79
Have a Read Positive and Negative Numbers in Practice 83
2.8 Multiplying Rational Numbers 85
2.9 Dividing Rational Numbers 93
Have a Read Find Means 98
2.10 Involution of Rational Numbers 100
2.11 Mixed Operation of Rational Numbers 105
2.12 Approximate Numbers and Significant Figures 110
2.13 Using a Calculator to Perform Simple Calculations of Numbers 116
Summary and Review 122
Review Exercise 2 125
Self-examination 2 128
Chapter 3 The Addition and Subtraction of Integral Expressions 129
3.1 Integral Expressions 131
3.2 Like Terms 138
3.3 Dropping and Adding Parentheses 144
3.4 Adding and Subtracting Integral Expressions 150
Have a Read The Number with Abundant Content:0 154
Summary and Review 156
Review Exercise 3 159
Self-examination 3 162
Chapter 4 Linear Equations with One Unknown 163
Ⅰ Equalities and Equations 165
4.1 Equalities and Their Properties 165
4.2 Equations and Their Solutions 170
Ⅱ Solutions and Applications of Linear Equations with One Unknown 174
4.3 Linear Equations with One Unknown and Their Solutions 174
Have a Read Equations With the Same Solution 189
4.4 Applications of Linear Equations with One Unknown 191
Have a Read The Story on Algebra 210
Summary and Review 212
Review Exercise 4 215
Self-examination 4 219
Appendix Ⅰ Table of squares and Table of Cubes 221
Appendix Ⅱ Answer key 228
Appendix Ⅲ Some Terms in the Book with Chinese Translation 246