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Number Bond Grids

Number Bond Grids
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2017-02-26 22:26
Coordinate GeometryGeometric Construction
This example demonstrates number bond grids, involving core mathematical concepts of addition and subtraction. Using GeoGebra commands such as Circle, Segment, Intersect, Textfield, and Midpoint, a number bond grid can be constructed. Suitable for high-grade elementary and junior high school students to learn addition and subtraction.

GeoGebra Commands & Parameters

  1. Circle(A, 1) → c
  2. Circle(C, 1) → d
  3. Circle(B, 1) → e
  4. Segment(A, B) → f
  5. Segment(A, C) → g
  6. Intersect(c, f) → D,
  7. Intersect(c, g) → E,
  8. Intersect(e, f) → F,
  9. Intersect(d, g) → G,
  10. Segment(G, E) → h
  11. Segment(D, F) → i
  12. Segment(H, K) → j
  13. Segment(H, J) → k
  14. Segment(K, M) → l
  15. Segment(J, M) → m
  16. Segment(I, L) → n
  17. Circle(A_1, 1) → c_1
  18. Circle(C_1, 1) → d_1
  19. Circle(B_1, 1) → e_1
  20. Segment(A_1, B_1) → f_1
  21. Segment(A_1, C_1) → g_1
  22. Intersect(c_1, f_1) → D_1,
  23. Intersect(c_1, g_1) → E_1,
  24. Intersect(e_1, f_1) → F_1,
  25. Intersect(d_1, g_1) → G_1,
  26. Segment(G_1, E_1) → h_1
  27. Segment(D_1, F_1) → i_1
  28. Segment(H_1, K_1) → j_1
  29. Segment(H_1, J_1) → k_1
  30. Segment(K_1, M_1) → l_1
  31. Segment(J_1, M_1) → m_1
  32. Segment(I_1, L_1) → n_1
  33. Textfield(A1) → InputBox1
  34. Textfield(A2) → InputBox2
  35. Segment(((6 * A2 / A1) - 3, 0), ((6 * A2 / A1) - 3, 1)) → p
  36. Intersect(p, m) → P
  37. Midpoint((-3, 0), (x(P), 1)) → N
  38. Midpoint((x(P), 0), (3, 1)) → O
  39. Textfield(B1) → InputBox3
  40. Textfield(B2) → InputBox4
  41. Segment((5 + (6 * B2 / B1), 0), (5 + (6 * B2 / B1), 1)) → q
  42. Intersect(q, n_1) → Q
  43. Midpoint(Q, (11, 0)) → R

AI Drawing Prompt Reference

Draw a number bond grid with two circles and two line segments. Start by drawing a circle centered at point A with a radius of 1, then draw two more circles centered at points B and C with radius 1. Connect points A and B, and A and C. Find the intersections of these circles and line segments to create points D, E, F, and G. Use these points to draw the grid framework. Finally, add input boxes for A1, A2, B1, and B2, and adjust the line segments based on the input values to ensure the grid is correctly displayed.
The prompt above was compiled from the original drawing commands and is for reference only.