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Fraction Addition and Subtraction

Fraction Addition and Subtraction
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2014-05-01 05:45
Coordinate GeometryGeometric Construction
In collections Level 3 Working with fractions
This example demonstrates interactive addition and subtraction of fractions, covering core concepts like fraction operations, least common multiple, numerators, and denominators. It utilizes GeoGebra commands such as Polygon, Intersect, Point, Textfield, Segment, LCM, FractionText, and TextToUnicode to visualize and compute fraction arithmetic, suitable for middle school and above learners exploring geometric interpretations of fraction operations.

GeoGebra Commands & Parameters

  1. Polygon(C, D, B, A) → poly1, c_1, d_1, b_1, a_1
  2. Polygon(G, H, F, E) → poly2, g, h, f, e
  3. Intersect(xAxis, yAxis) → I
  4. Point(xAxis) → J
  5. Polygon(I, J, 4) → poly3, i, j, k, l, K, L
  6. Point(xAxis) → M
  7. Point(xAxis) → N
  8. Polygon(M, N, 4) → poly4, m, n, p, q, O, P
  9. Textfield(num_1) → inputBox1
  10. Textfield(num_2) → inputBox2
  11. Textfield(den_1) → inputBox3
  12. Textfield(den_2) → inputBox4
  13. Segment(Q, R) → a
  14. Segment(T, S) → b
  15. Textfield(ans_1) → inputBox5
  16. Textfield(ans_2) → inputBox6
  17. Textfield(ans_3) → inputBox7
  18. Textfield(ans_4) → inputBox8
  19. Segment(U, V) → c
  20. Segment(W, Z) → d
  21. LCM(denominator_1, denominator_2) → o
  22. Segment(B_1, C_1) → t
  23. Segment(F_1, G_1) → f_1
  24. Segment(F_1, H_1) → g_1
  25. Segment(E_1, I_1) → e_1
  26. Segment(J_1, K_1) → h_1
  27. Textfield(ans_5) → inputBox9
  28. FractionText(numerator_1 / denominator_1 + numerator_2 / denominator_2) → ans_6
  29. FractionText(numerator_1 / denominator_1 - numerator_2 / denominator_2) → ans_7
  30. TextToUnicode(text14) → bb