Chapter 1 Rational Numbers
1. 1 positive and negative numbers
Reading and thinking: using positive and negative numbers to represent the allowable error of machining
Addition and subtraction of rational number 1.3
Experiment and Exploration of Filling Rubik's Cube
Reading and Thinking China people first used negative numbers.
Multiplication and division of rational number 1.4
Observe and think about the mathematical truth in the flop game.
1.5 power of rational number
Mathematical activities
summary
Review questions 1
Chapter II Addition and subtraction of algebraic expressions
2. 1 algebraic expression
Read and think about the dialogue between the number 1 and the letter X.
2.2 Addition and subtraction of algebraic expressions
Information technology application spreadsheet and data calculation
Mathematical activities
summary
Review question 2
Chapter III One-variable Linear Equation
3. 1 From Formula to Equation
Reading and Thinking about the Historical Story of Equation
3.2 Solve the one-dimensional linear equation (1)- Merge the similar term and the offset term.
Experiment and Exploration of Infinitely Cycling Decimal Decimal Fractions
3.3 Solve the unary linear equation (2)- Remove brackets and denominator.
3.4 Practical problems and linear equations of one variable
Mathematical activities
summary
Review question 3
The fourth chapter is the preliminary understanding of graphics.
4. 1 color graphics
Reading and thinking about the origin of geometry
4.2 Lines, rays and line segments
Measurement of reading and thinking length
4.3 jiao
4.4 This topic is to study the design and manufacture of cuboid packaging carton.
Mathematical activities
summary
Review question 4
Index of some Chinese and English words
Junior high school mathematics catalog Volume II:
Chapter V Intersecting Lines and Parallel Lines
5. 1 intersection line
5. 1.2 vertical line
5. 1.3 Conformal angle, internal dislocation angle and ipsilateral internal angle.
Observe and speculate
5.2 Parallel lines and their determination
0+0 parallel line
5.3 Properties of parallel lines
Properties of parallel lines
Propositions and theorems
5.4 Translation
teaching activities
summary
Chapter VI Plane Cartesian Coordinate System
6. 1 plane rectangular coordinate system
6.2 Simple application of coordinate method
Reading and thinking
6.2 Simple application of coordinate method
teaching activities
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Chapter VII Triangle
7. 1 Line segment related to triangle
7. 1.2 The bisector of the height, midline and angle of a triangle.
7. Stability of1.3 Triangle
Information technology application
7.2 Angle related to triangle
7.2.2 External Angle of Triangle
Reading and thinking
7.3 Multiple deformations and sum of their internal angles
Reading and thinking
7.4 Project Learning Mosaic
teaching activities
summary
Chapter VIII Binary Linear Equations
8. 1 binary linear equations
8.2 Elimination-Solutions of Binary Linear Equations
8.3 Practical Problems and Binary Linear Equations
Reading and thinking
*8.4 examples of solving ternary linear equations
teaching activities
summary
Chapter 9 Inequality and Unequal Groups
9. 1 inequality
Reading and thinking
9.2 Practical Problems and One-dimensional Linear Inequalities
Experiment and inquiry
9.3 One-dimensional linear inequality system
Reading and thinking
teaching activities
summary
Chapter 10 Data Collection, Arrangement and Description
10. 1 statistical survey
Experiment and inquiry
10.2 histogram
10.3 project learning talking about water saving from data
teaching activities
summary
Index of some Chinese and English words