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使用十根棍子加法20以内

使用十根棍子加法20以内
几何画板及绘图内容加载中，请稍等……
2020-04-14 06:10
向量数列几何作图
所属专题 Elementary School Applets
本示例通过十根棍子的可视化方式，演示20以内的加法。涉及的核心数学概念包括加法运算和数的组合。构造摘要中使用了Sequence, Polygon, Random, Flatten, Textfield, Vector, Translate等GeoGebra命令。适合小学一年级或二年级学生学习加法运算。

GeoGebra 命令及参数

  1. Sequence(B + (0, (edge * i)), i, 0, 9) → RightDots
  2. Polygon(Element[RightDots, 10], Element[RightDots, 10] + (edge, 0), 4) → RightPoly10
  3. Random(4, 10) → seed1
  4. Flatten(Sequence[Sequence[C + ((i * (edge + gap)), (j * edge)), j, 0, 9], i, 0, 1]) → location
  5. Polygon(Element[RightDots, 9], Element[RightDots, 9] + (edge, 0), 4) → RightPoly9
  6. Polygon(Element[RightDots, 8], Element[RightDots, 8] + (edge, 0), 4) → RightPoly8
  7. Polygon(Element[RightDots, 7], Element[RightDots, 7] + (edge, 0), 4) → RightPoly7
  8. Polygon(Element[RightDots, 6], Element[RightDots, 6] + (edge, 0), 4) → RightPoly6
  9. Polygon(Element[RightDots, 5], Element[RightDots, 5] + (edge, 0), 4) → RightPoly5
  10. Polygon(Element[RightDots, 4], Element[RightDots, 4] + (edge, 0), 4) → RightPoly4
  11. Polygon(Element[RightDots, 3], Element[RightDots, 3] + (edge, 0), 4) → RightPoly3
  12. Polygon(Element[RightDots, 2], Element[RightDots, 2] + (edge, 0), 4) → RightPoly2
  13. Polygon(Element[RightDots, 1], Element[RightDots, 1] + (edge, 0), 4) → RightPoly1
  14. Random(4, 10) → seed2
  15. Textfield(inputtotal) → InputBox1
  16. Sequence(Polygon[A + (0, (i * edge)), A + (0, (i * edge)) + (edge, 0), 4], i, 0, 9) → TenStick1
  17. Sequence(Polygon[B + (0, (i * edge_2)), B + (0, (i * edge_2)) + (edge_2, 0), 4], i, 0, 9) → TenStick2
  18. Sequence(A + (0, (edge * i)), i, 0, 9) → LeftDots
  19. Sequence(Polygon[Element[LeftDots, i + 1], Element[LeftDots, i + 1] + (edge, 0), 4], i, 0, seed1 - 1) → SquaresLeft
  20. Sequence(Polygon[Element[RightDots, i + 1], Element[RightDots, i + 1] + (edge, 0), 4], i, 0, seed2 - 1) → SquaresRight
  21. Vector(A, C) → u
  22. Translate(SquaresLeft, Vector[(u * a)]) → SquaresLeft'
  23. Translate(RightPoly1, Vector[(move1 * Vector[Element[RightDots, 1], Element[location, seed1 + 1]])]) → MoveRight1
  24. Translate(RightPoly2, Vector[(move2 * Vector[Element[RightDots, 2], Element[location, seed1 + 2]])]) → MoveRight2
  25. Translate(RightPoly3, Vector[(move3 * Vector[Element[RightDots, 3], Element[location, seed1 + 3]])]) → MoveRight3
  26. Translate(RightPoly4, Vector[(move4 * Vector[Element[RightDots, 4], Element[location, seed1 + 4]])]) → MoveRight4
  27. Translate(RightPoly5, Vector[(move5 * Vector[Element[RightDots, 5], Element[location, seed1 + 5]])]) → MoveRight5
  28. Translate(RightPoly6, Vector[(move6 * Vector[Element[RightDots, 6], Element[location, seed1 + 6]])]) → MoveRight6
  29. Translate(RightPoly7, Vector[(move7 * Vector[Element[RightDots, 7], Element[location, seed1 + 7]])]) → MoveRight7
  30. Translate(RightPoly8, Vector[(move8 * Vector[Element[RightDots, 8], Element[location, seed1 + 8]])]) → MoveRight8
  31. Translate(RightPoly10, Vector[(move10 * Vector[Element[RightDots, 10], Element[location, seed1 + 10]])]) → MoveRight10
  32. Translate(RightPoly9, Vector[(move9 * Vector[Element[RightDots, 9], Element[location, seed1 + 9]])]) → MoveRight9
  33. Sequence(Polygon[Element[location, 1] + (0, (i * edge)), Element[location, 1] + (0, (i * edge)) + (edge, 0), 4], i, 0, 9) → AnswerStick1
  34. Sequence(Polygon[Element[location, 11] + (0, (i * edge)), Element[location, 11] + (0, (i * edge)) + (edge, 0), 4], i, 0, 9) → AnswerStick2

AI 绘图提示语参考

画一个由十根棍子组成的加法图形，棍子分为左右两排，每排各有10根棍子。左边的棍子代表一个加数，右边的棍子代表另一个加数。随机选择一些棍子从左边移到右边，形成一个新的组合，显示加法的结果。在右侧显示一个输入框，用于输入总和。
以上提示语为根据原始绘图命令整理而来，仅供参考。