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Make 10 数学练习

Make 10 数学练习
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2020-03-30 16:02
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①本范例演示如何通过 GeoGebra 工具进行“Make 10”的数学练习，帮助学生理解加法运算和数值组合；②涉及的核心数学概念包括加法运算、数值组合、线性规划基础；③作图要点——从下方『构造摘要』提炼用到了 Segment（线段）、Midpoint（中点）、Point（点）、Circle（圆）、Random（随机数）等 GeoGebra 命令/对象；④适合小学或初中低年级学生，用于基础数学运算练习和兴趣培养。

GeoGebra 命令及参数

  1. Segment(A, B) → f
  2. Segment(B, C) → g
  3. Segment(C, D) → h
  4. Segment(D, A) → i
  5. Midpoint(A, B) → E
  6. Midpoint(D, C) → F
  7. Point(i) → G
  8. Point(g) → H
  9. Point(i) → I
  10. Point(g) → J
  11. Point(i) → K
  12. Point(g) → L
  13. Point(i) → M
  14. Point(g) → N
  15. Segment(G, H) → j
  16. Segment(I, J) → k
  17. Segment(K, L) → l
  18. Segment(M, N) → m
  19. Segment(F, E) → n
  20. Midpoint(G, H) → O
  21. Midpoint(I, J) → P
  22. Midpoint(K, L) → Q
  23. Midpoint(M, N) → R
  24. Midpoint(A, O) → S
  25. Midpoint(E, H) → T
  26. Midpoint(G, P) → U
  27. Midpoint(O, J) → V
  28. Midpoint(I, Q) → W
  29. Midpoint(P, L) → Z
  30. Midpoint(K, R) → A_1
  31. Midpoint(Q, N) → B_1
  32. Midpoint(R, C) → C_1
  33. Midpoint(M, F) → D_1
  34. Circle(D_1, 0.3) → c
  35. Circle(A_1, 0.3) → d
  36. Circle(W, 0.3) → e
  37. Circle(U, 0.3) → p
  38. Circle(S, 0.3) → q
  39. Circle(C_1, 0.3) → r
  40. Circle(B_1, 0.3) → s
  41. Random(1, 9) → nn
  42. Circle(Z, 0.3) → t
  43. Circle(V, 0.3) → c_1
  44. Circle(T, 0.3) → d_1