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Dividing Fractions by LearnZillion

Dividing Fractions by LearnZillion
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2018-04-17 19:59
FunctionSequenceCoordinate Geometry
This example demonstrates the process of dividing fractions. It involves the core mathematical concept of fraction division. Using GeoGebra commands such as LCM, PolyLine, and Sequence, a geometric model of fraction division is constructed. Suitable for students in middle school and above to learn the concept and operations of fraction division.

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