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Multiplication Arrays

Multiplication Arrays
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2016-10-10 23:33
PolygonCoordinate GeometryGeometric Construction
This example dynamically demonstrates multiplication arrays, visually illustrating the relationship between multiplication and geometric shapes. It involves core math concepts like multiplication, geometric construction, and coordinate geometry. Construction highlights include using commands such as Polygon, Midpoint, Segment, Intersect, and Textfield in GeoGebra. Suitable for middle school and above students learning multiplication principles and geometric constructions.

GeoGebra Commands & Parameters

  1. Polygon(A, D, F, B) → poly1, a_1, d_1, f, b_1
  2. Polygon(D, E, H, F) → poly2, d_2, e, h, f_1
  3. Polygon(F, H, I, G) → poly3, f_2, h_1, i, g
  4. Polygon(B, F, G, C) → poly4, b_2, f_3, g_1, c_1
  5. Midpoint(A, B) → J
  6. Midpoint(B, C) → K
  7. Midpoint(A, D) → L
  8. Midpoint(D, E) → M
  9. Segment(C, F) → l
  10. Segment(B, G) → m
  11. Segment(G, H) → n
  12. Segment(F, I) → p
  13. Segment(F, E) → q
  14. Segment(D, H) → r
  15. Segment(F, A) → s
  16. Segment(B, D) → t
  17. Intersect(s, t) → N
  18. Intersect(l, m) → O
  19. Intersect(n, p) → P
  20. Intersect(q, r) → Q
  21. Textfield(a) → InputBox1
  22. Textfield(b) → InputBox2
  23. Textfield(c) → InputBox3
  24. Textfield(d) → InputBox4
  25. Polygon(R, S, T, U) → poly5, r_1, s_1, t_1, u_1
  26. Polygon(V, W, Z, A_1) → poly6, v_1, w_1, z_1, a_2