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Fraction Division with Bar Graph

Fraction Division with Bar Graph
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2018-04-15 19:39
FunctionTrigonometryCoordinate GeometryGeometric Construction
This example demonstrates the visual process of dividing fractions, using dynamic bar graphs to intuitively show the calculation results. Key math concepts include fraction operations, least common multiple (LCM), sequence generation, and text display. Construction highlights involve GeoGebra commands/objects like LCM, PolyLine, Sequence, Textfield, Segment, and fractionbar for dynamic fraction representation and calculation. Suitable for middle school and above mathematics education, aiding in understanding fraction division and related geometric representations.

GeoGebra Commands & Parameters

  1. LCM(Bn, Rn) → Pn
  2. PolyLine(B, B + (dist, 0), B + (dist, ht), B + (0, ht), B) → f
  3. Sequence(Polygon[B + ((dist * (i - 1) / Bn), 0), B + ((dist * i / Bn), 0), B + ((dist * i / Bn), ht), B + ((dist * (i - 1) / Bn), ht)], i, 1, Bn) → list1
  4. Sequence(Polygon[B + ((dist * (i - 1) / Bn), 0), B + ((dist * i / Bn), 0), B + ((dist * i / Bn), ht), B + ((dist * (i - 1) / Bn), ht)], i, 1, ShG) → list2
  5. Textfield(Bn) → InputBox1
  6. Textfield(Rn) → InputBox2
  7. PolyLine(A, A + (dist, 0), A + (dist, ht), A + (0, ht), A) → r
  8. Textfield(ShG) → InputBox3
  9. Textfield(ShB) → InputBox4
  10. Segment(E_1, I_1) → f_1
  11. Segment(E_2, J_1) → g_1
  12. Segment(D_1, K_1) → h_1
  13. Segment(E_3, L_1) → i_1
  14. Segment(F_1, M_1) → j_1
  15. Segment(G_1, H_1) → k_1
  16. Segment(G_2, P_1) → l_1
  17. Segment(F_2, Q_1) → m_1
  18. Segment(E, G) → i
  19. Segment(D, F) → j
  20. fractionbar(B, Pn, 0, dist, ht) → list5, list5_2, list5_3
  21. fractionbar(C, ShB, ShB, (ShB * dist / Rn), ht) → list4, list6, g
  22. fractionbar((-7, -1), Rn, 0, dist, ht) → list3, list3_2, list3_3

AI Drawing Prompt Reference

Create a dynamic bar graph to visually demonstrate the process of dividing fractions, showing two fractions with bars that dynamically adjust length based on the least common multiple, and display the calculation results, suitable for middle school math education, highlighting fraction operations, LCM, sequence generation, and text display.
The prompt above was compiled from the original drawing commands and is for reference only.