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Rekenrek 4 Rows Screen Demo

Rekenrek 4 Rows Screen Demo
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2017-06-10 07:44
FunctionGeometric ConstructionSlider AnimationGraphing
This example demonstrates the use of Rekenrek for visualizing and calculating with four rows of numbers. It involves core mathematical concepts such as number sense, addition, subtraction, and visual mathematical thinking. The construction uses GeoGebra commands and objects like Segment, Point, Sum, Polygon, and Line to create and manipulate the number bars and screen layout. It is suitable for elementary mathematics education to help students understand number operations and develop number sense.

GeoGebra Commands & Parameters

  1. Segment((0, 11), (23, 11)) → f
  2. Point(f) → A
  3. Point(f) → B
  4. Point(f) → C
  5. Point(f) → D
  6. Point(f) → E
  7. Point(f) → F
  8. Point(f) → I
  9. Point(f) → J
  10. Point(f) → G
  11. Point(f) → H
  12. Point(f) → K
  13. Point(f) → L
  14. Point(f) → M
  15. Point(f) → N
  16. Point(f) → O
  17. Point(f) → P
  18. Point(f) → Q
  19. Point(f) → R
  20. Point(f) → S
  21. Point(f) → T
  22. Sum(row1list) → row1value
  23. Segment((0, 8), (23, 8)) → g
  24. Point(g) → U
  25. Point(g) → V
  26. Point(g) → W
  27. Point(g) → Z
  28. Point(g) → A_1
  29. Point(g) → B_1
  30. Point(g) → C_1
  31. Point(g) → D_1
  32. Point(g) → E_1
  33. Point(g) → F_1
  34. Point(g) → G_1
  35. Point(g) → H_1
  36. Point(g) → I_1
  37. Point(g) → J_1
  38. Point(g) → K_1
  39. Point(g) → L_1
  40. Point(g) → M_1
  41. Point(g) → N_1
  42. Point(g) → O_1
  43. Point(g) → P_1
  44. Sum(row2list) → row2value
  45. Polygon(Q_1, R_1, S_1, T_1) → poly1, q_1, r_1, s_1, t_1
  46. Segment((0, 5), (23, 5)) → h
  47. Point(h) → U_1
  48. Point(h) → V_1
  49. Point(h) → W_1
  50. Point(h) → Z_1
  51. Point(h) → B_2
  52. Point(h) → A_2
  53. Point(h) → C_2
  54. Point(h) → D_2
  55. Point(h) → E_2
  56. Point(h) → F_2
  57. Point(h) → G_2
  58. Point(h) → H_2
  59. Point(h) → I_2
  60. Point(h) → J_2
  61. Point(h) → K_2
  62. Point(h) → L_2
  63. Point(h) → M_2
  64. Point(h) → N_2
  65. Point(h) → O_2
  66. Point(h) → P_2
  67. Segment((0, 2), (23, 2)) → i
  68. Point(i) → Q_2
  69. Point(i) → R_2
  70. Point(i) → S_2
  71. Point(i) → T_2
  72. Point(i) → U_2
  73. Point(i) → V_2
  74. Point(i) → W_2
  75. Point(i) → Z_2
  76. Point(i) → A_3
  77. Point(i) → B_3
  78. Point(i) → C_3
  79. Point(i) → D_3
  80. Point(i) → E_3
  81. Point(i) → F_3
  82. Point(i) → G_3
  83. Point(i) → H_3
  84. Point(i) → I_3
  85. Point(i) → J_3
  86. Point(i) → K_3
  87. Point(i) → L_3
  88. Sum(row3list) → row3value
  89. Sum(row4list) → row4value
  90. Line(M_3, y = 0) → j
  91. Point(j) → N_3
  92. Line(M_3, x = 0) → k
  93. Point(k) → O_3
  94. Polygon(M_3, O_3, P_3, N_3) → poly2, m_3, o_3, p_3, n_3

AI Drawing Prompt Reference

Draw a visual arithmetic tool with four rows of numbers, the top row has 24 points connected by horizontal lines, below it rows have 23 and 22 points respectively, all points represented as small circles, forming a calculator screen layout to display numbers and calculation processes.
The prompt above was compiled from the original drawing commands and is for reference only.