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Comparing Fractions with Same Numerator by ROHIT ROY

Comparing Fractions with Same Numerator by ROHIT ROY
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2019-03-07 14:23
Coordinate GeometryGeometric ConstructionSlider Animation
This example demonstrates how to visually compare fractions with the same numerator using geometric representations and numerical relationships. Core math concepts include fraction comparison, geometric visualization, and value relationships. It is constructed using GeoGebra commands and objects like RandomElement, If, Point, Circle, Sequence, Sector, Textfield, Segment, and AttachCopyToView, making it suitable for middle school mathematics education to help students intuitively understand fraction comparison concepts.

GeoGebra Commands & Parameters

  1. RandomElement({11, 12, 13, 14, 15}) → D1
  2. If(D2 ≟ 1, D1, D1 + D2) → b
  3. Point(xAxis) → C
  4. Point(xAxis) → D
  5. Circle(C, D) → e
  6. Point(xAxis) → E
  7. Point(xAxis) → F
  8. Circle(E, F) → f
  9. Sequence(Rotate[D, (360° * i / D1), C], i, 1, D1) → list1
  10. Sequence(Segment[C, Element[list1, i]], i, 1, D1 + 1) → list2
  11. Sector(e, D, Element[list1, N1]) → g
  12. Sequence(Rotate[F, (360° * i / b), E], i, 1, b) → list3
  13. Sequence(Segment[E, Element[list3, i]], i, 1, b) → list4
  14. Circle(E, 1.3) → k
  15. Sector(f, F, Element[list3, New]) → h
  16. Textfield(D1) → InputBox1
  17. Textfield(N1) → InputBox2
  18. Textfield(Mul) → InputBox3
  19. Segment(Q, R) → j
  20. Segment(Q, R) → l
  21. Segment(S, T) → m
  22. AttachCopyToView(PolyLine[(12.2205876488494,-5.88921046287111), (NaN,NaN), (12.2205876488494,-5.88921046287111), true], 1, (-3.6253531256903755, -5.8892104628711035), (8.613381618872829, 4.292598364169786), (0, 948), (1140, 0)) → stroke1