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Equivalent Fractions by James P Robinson

Equivalent Fractions by James P Robinson
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2017-03-02 16:16
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This example demonstrates the concept of equivalent fractions. By adjusting the numerator and denominator, equivalent fractions are generated. Commands such as Random, Numerator, Denominator, If, RandomElement, and TableText are used to construct multiple fractions and show their equivalence. Suitable for high-grade elementary and junior high school students to learn basic fraction concepts.

GeoGebra Commands & Parameters

  1. Random(1, 5) → A1
  2. Random(A1 + 1, If[c, 10, 20]) → B1
  3. Numerator(C1) → D1
  4. Denominator(C1) → E1
  5. If(c, {2, 3, 4, 5, 6, 7, 8, 9, 10}, {2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 20, 24, 50, 100}) → R
  6. RandomElement(R) → a
  7. RandomElement(R) → F1
  8. Random(1, 5) → A2
  9. Random(A2 + 1, If[c, 10, 20]) → B2
  10. Numerator(C2) → D2
  11. Denominator(C2) → E2
  12. RandomElement(R) → F2
  13. Random(1, 5) → A3
  14. Random(A3 + 1, If[c, 10, 20]) → B3
  15. Numerator(C3) → D3
  16. Denominator(C3) → E3
  17. RandomElement(R) → F3
  18. Random(1, 5) → A4
  19. Random(A4 + 1, If[c, 10, 20]) → B4
  20. Numerator(C4) → D4
  21. Denominator(C4) → E4
  22. RandomElement(R) → F4
  23. Random(1, 5) → A5
  24. Random(A5 + 1, If[c, 10, 20]) → B5
  25. Numerator(C5) → D5
  26. Denominator(C5) → E5
  27. RandomElement(R) → F5
  28. Random(1, 5) → A6
  29. Random(A6 + 1, If[c, 10, 20]) → B6
  30. Numerator(C6) → D6
  31. Denominator(C6) → E6
  32. RandomElement(R) → F6
  33. Random(1, 5) → A7
  34. Random(A7 + 1, If[c, 10, 20]) → B7
  35. Numerator(C7) → D7
  36. Denominator(C7) → E7
  37. RandomElement(R) → F7
  38. Random(1, 5) → A8
  39. Random(A8 + 1, If[c, 10, 20]) → B8
  40. Numerator(C8) → D8
  41. Denominator(C8) → E8
  42. RandomElement(R) → F8
  43. Random(1, 5) → A9
  44. Random(A9 + 1, If[c, 10, 20]) → B9
  45. Numerator(C9) → D9
  46. Denominator(C9) → E9
  47. RandomElement(R) → F9
  48. Random(1, 5) → A10
  49. Random(A10 + 1, If[c, 10, 20]) → B10
  50. Numerator(C10) → D10
  51. Denominator(C10) → E10
  52. RandomElement(R) → F10
  53. TableText({First[list2, 5], If[b, First[list1, 5], First[list3, 5]]}, "v") → text1
  54. TableText({Last[list2, 5], If[b, Last[list1, 5], Last[list3, 5]]}, "v") → text2