1, algebra preliminary

2. Algebraic expressions and factorization.

3. One-dimensional linear equation

4. Binary linear equation

5. Inequalities in the inequality group

6. Real numbers

7. Score

8. Binary linear equations

9. Functions and their images

Second, space and graphics.

1, a preliminary understanding of graphics

2. The intersecting lines are parallel lines.

Step 3: Triangle

4. Angular relationship of right triangle

5, quadrilateral

6, similar graphics

7.circle

8. Graphic conversion

9. prove

10, views and forecasts

Three. Statistics and probability

1, data in life

2. representativeness of data

3. Data collection and processing

4. Possibility

Fourth, mathematical activities.