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Add Two Numbers (less than 20)

Add Two Numbers (less than 20)
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2020-02-17 15:28
Geometric Construction
This example demonstrates the process of adding two numbers less than 20. It involves core math concepts like arithmetic operations and numerical comparison. The construction utilizes GeoGebra commands such as Shuffle, Random, Textfield, If, Remove, RandomElement, Element, Circle, Polygon, and Midpoint. Suitable for elementary mathematics education, helping students understand basic addition and number comprehension.

GeoGebra Commands & Parameters

  1. Shuffle(listpoints) → lp, {(11, 12), (8, 12), (2, 12), (5, 12)}
  2. Random(4, 10) → aA
  3. Random(5, 12) → bB
  4. Random(12, 20) → dD
  5. Random(8, 15) → cC
  6. Random(1, aA - 1) → a1
  7. Random(3, bB - 1) → b1
  8. Random(5, cC - 1) → c1
  9. Random(5, dD - 1) → d1
  10. Textfield(goal) → InputBox1
  11. If(level ≟ 1, aA, If[level ≟ 2, bB, If[level ≟ 3, cC, dD]]) → qQ
  12. Remove(Sequence[1, aA - 1], {a1, a2}) → lista
  13. RandomElement(lista) → a3
  14. Remove(Sequence[1, bB - 1], {b1, b2}) → listb
  15. Remove(Sequence[1, cC - 1], {c1, c2}) → listc3
  16. RandomElement(listc3) → c3
  17. Remove(Sequence[1, cC - 1], {c1, c2, c3}) → listc4
  18. RandomElement(listb) → b3
  19. Remove(Sequence[1, dD - 1], {d1, d2}) → listd3
  20. RandomElement(listd3) → d3
  21. Remove(Sequence[1, dD - 1], {d1, d2, d3}) → listd4
  22. Element(lp, 1) → A
  23. Element(lp, 2) → C
  24. Element(lp, 3) → E
  25. Element(lp, 4) → G
  26. If(level ≟ 1, a1, If[level ≟ 2, b1, If[level ≟ 3, c1, d1]]) → n1
  27. If(level ≟ 1, a2, If[level ≟ 2, b2, If[level ≟ 3, c2, d2]]) → n2
  28. If(level ≟ 1, a3, If[level ≟ 2, b3, If[level ≟ 3, c3, d3]]) → n3
  29. RandomElement(listc4) → c4
  30. RandomElement(listd4) → d4
  31. If(level ≟ 1, 0, If[level ≟ 2, 0, If[level ≟ 3, c4, d4]]) → n4
  32. Circle(A, 1) → c
  33. Circle(C, 1) → d
  34. Circle(E, 1) → e
  35. Circle(G, 1) → f
  36. Polygon(B, D, 4) → poly1, g, h, i, j, F, H
  37. Midpoint(B, F) → I

AI Drawing Prompt Reference

Visualize the process of adding two random numbers less than 20, using circles to represent these numbers and connecting them with a quadrilateral to show the sum. First, generate two random numbers less than 20 and draw circles for them, then select two random points to form a quadrilateral connecting the circles, illustrating the addition operation.
The prompt above was compiled from the original drawing commands and is for reference only.