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Fraction Guessing Game

Fraction Guessing Game
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2015-09-08 23:01
VectorFunctionCoordinate GeometrySlider Animation
This example randomly generates fractions for students to guess and input the numerator and denominator, practicing the concept of fractions. Key mathematical concepts include fractions, vectors, and points. Using GeoGebra commands such as Random, FractionText, Numerator, and Denominator, the process of generating fractions is dynamically demonstrated. Suitable for high-grade elementary and junior high school students to better understand and master the related knowledge of fractions.

GeoGebra Commands & Parameters

  1. Random(2, 12) → D
  2. If(D ≟ 2, 1, If[D ≟ 3, RandomElement[{1, 2}], If[D ≟ 4, RandomElement[{1, 3}], If[D ≟ 5, RandomElement[{1, 2, 3, 4}], If[D ≟ 6, RandomElement[{1, 5}], If[D ≟ 7, RandomElement[{1, 2, 3, 4, 5, 6}], If[D ≟ 8, RandomElement[{1, 3, 5, 7}], If[D ≟ 9, RandomElement[{1, 2, 4, 5, 7, 8}], If[D ≟ 10, RandomElement[{1, 3, 7, 9}], If[D ≟ 11, RandomElement[{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}], If[D ≟ 12, RandomElement[{1, 5, 7, 11}]]]]]]]]]]]) → N
  3. FractionText(N / D) → frac
  4. Numerator(N / D) → realN
  5. Denominator(N / D) → readD
  6. Point(xAxis) → B
  7. Point(yAxis) → E
  8. Polygon(A, B, C, E) → poly1, a, b, c, e
  9. Polygon((0, 0), (N / D, 0), (N / D, 1), (0, 1)) → Shaded, d, f_1, g, h
  10. Polygon((0, 1.1), (n2, 1.1), (n2, 2.1), (0, 2.1)) → Guess, i, j, k, l
  11. Sequence(Segment[(i / readD, 0), (i / readD, 1)], i, 1, readD - 1) → bars
  12. Polygon((0, 1.1), (1, 1.1), (1, 2.1), (0, 2.1)) → poly2, m, p, q, r
  13. IndexOf(47, TextToUnicode[inTxt_2]) → slash
  14. Take(inTxt_2, slash + 1) → ODEN
  15. FromBase(ODEN, 10) → oridden
  16. Sequence(Segment[((i * 1 / oridden), 1.1), (i / oridden, 2.1)], i, 1, oridden - 1) → guessbars
  17. Textfield(n) → InputBox1
  18. If(Defined[n], oridden) → f
  19. If(Defined[n], oridden) → o
  20. If(Defined[n], oridden) → s
  21. If(Defined[n], oridden) → t
  22. If(Defined[n], oridden) → u
  23. If(Defined[n], oridden) → v
  24. If(Defined[n], oridden) → w
  25. If(Defined[n], oridden) → a_1
  26. If(Defined[n], oridden) → b_1
  27. If(Defined[n], oridden) → c_1