Summary of 1. Rational Numbers and Their Operations

2. Counting axis

3. Rational number subtraction

4. Rational number subtraction

5. Scientific symbols

6. Real number and number axis

7. Use letters to represent numbers

8. algebraic expression

9. Factorize with multiplication formula (1).

10. Equations in the calendar

1 1. Education savings

12. Practice and exploration (first class)

13. Open source and reduce expenditure

14. How wide is the lace (1)

15. Solving one-dimensional linear inequalities

16. An interesting seesaw problem-a sidelight of problem inquiry activity

17. Linear function

18. Review course of linear function

19. Inverse proportional function

Space and graphics

20. Horn

Comparison and operation of 2 1. angle

22. How about this?

23. Parallel lines-Characteristics of parallel lines

24. Pythagorean Theorem (1)

25. Identification of parallelogram (1)

26.square

27.square

28. Trapezoidal (1)

29. trapezoid

30. From perspective to view

3 1. Development diagram of three-dimensional graphics

32. Centrally symmetric graphics

33. Model design

34. Determine the location

35. Plane rectangular coordinate system

36. An application example of solving a right triangle.

37. Is there a problem with the design of teaching materials?

38. Geometry review class

Statistics and probability

39. The significance of statistics-population census and sample survey

40. Representation of data (2)

4 1. average-from the first Olympic gold medal

42. Average, median and mode

43. Do you have to touch the red ball? -Instructional design and possibility review

44. Frequency and probability

Project learning

45. Learn from me

46. Let Mathematics Fly from Here —— The teaching case and thinking of "making a cuboid with no cover as big as possible"

47. Review and reflection on subject learning —— Take "making a cuboid with no cover as big as possible" as an example.

48. Innovative mathematics teaching process