百格加法演示

百格加法演示
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2017-05-30 08:55
①本范例演示使用百格板进行加法运算的图形现象;②涉及的核心数学概念包括加法运算、数位组合、视觉化数学;③作图要点——从下方『构造摘要』提炼用到了Segment(线段)、Point(点)、Sum(求和)、Polygon(多边形)等GeoGebra命令/对象;④适合小学低年级数学教学,用于直观理解加法运算过程。

GeoGebra 命令及参数

  1. Segment((0, 11), (23, 11)) → f
  2. Point(f) → A
  3. Point(f) → B
  4. Point(f) → C
  5. Point(f) → D
  6. Point(f) → E
  7. Point(f) → F
  8. Point(f) → I
  9. Point(f) → J
  10. Point(f) → G
  11. Point(f) → H
  12. Point(f) → K
  13. Point(f) → L
  14. Point(f) → M
  15. Point(f) → N
  16. Point(f) → O
  17. Point(f) → P
  18. Point(f) → Q
  19. Point(f) → R
  20. Point(f) → S
  21. Point(f) → T
  22. Sum(row1list) → row1value
  23. Segment((0, 8), (23, 8)) → g
  24. Point(g) → U
  25. Point(g) → V
  26. Point(g) → W
  27. Point(g) → Z
  28. Point(g) → A_1
  29. Point(g) → B_1
  30. Point(g) → C_1
  31. Point(g) → D_1
  32. Point(g) → E_1
  33. Point(g) → F_1
  34. Point(g) → G_1
  35. Point(g) → H_1
  36. Point(g) → I_1
  37. Point(g) → J_1
  38. Point(g) → K_1
  39. Point(g) → L_1
  40. Point(g) → M_1
  41. Point(g) → N_1
  42. Point(g) → O_1
  43. Point(g) → P_1
  44. Sum(row2list) → row2value
  45. Polygon(Q_1, R_1, S_1, T_1) → poly1, q_1, r_1, s_1, t_1