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Fractions, Decimals, Percents Demo

Fractions, Decimals, Percents Demo
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2017-09-27 20:56
Coordinate GeometryGeometric ConstructionSlider Animation
This example demonstrates the conversion relationships among fractions, decimals, and percentages through interactive graphics. It covers core math concepts including the fundamental properties of fractions, decimal representation, percentage meaning, and their equivalent conversions. Construction highlights the use of GeoGebra commands/objects like Point, Segment, OrthogonalLine, Line, Intersect, Polygon, and RotateText. Suitable for middle school and above students to visually grasp number conversions and geometric representations.

GeoGebra Commands & Parameters

  1. Point(Circle[A, 10]) → B
  2. Segment(A, B) → a
  3. Point(Circle[A, 1]) → C
  4. Segment(A, C) → b
  5. Point(Circle[C, 1]) → D
  6. Segment(C, D) → c
  7. Point(Circle[D, 1]) → E
  8. Segment(D, E) → d
  9. Point(Circle[E, 1]) → F
  10. Segment(E, F) → e
  11. Point(Circle[F, 1]) → G
  12. Segment(F, G) → f
  13. Point(Circle[G, 1]) → H
  14. Segment(G, H) → g
  15. Point(Circle[H, 1]) → I
  16. Segment(H, I) → h
  17. Point(Circle[I, 1]) → J
  18. Segment(I, J) → i
  19. Point(Circle[J, 1]) → K
  20. Segment(J, K) → j
  21. OrthogonalLine(A, a) → k
  22. Point(Circle[A, 1]) → L
  23. Segment(A, L) → l
  24. Point(Circle[L, 1]) → M
  25. Segment(L, M) → m
  26. Point(Circle[M, 1]) → N
  27. Segment(M, N) → n
  28. Point(Circle[N, 1]) → O
  29. Segment(N, O) → p
  30. Point(Circle[O, 1]) → P
  31. Segment(O, P) → q
  32. Point(Circle[P, 1]) → Q
  33. Segment(P, Q) → r
  34. Point(Circle[Q, 1]) → R
  35. Segment(Q, R) → s
  36. Point(Circle[R, 1]) → S
  37. Segment(R, S) → t
  38. Point(Circle[S, 1]) → T
  39. Segment(S, T) → a_1
  40. Point(Circle[T, 1]) → U
  41. Segment(T, U) → b_1
  42. Line(U, a) → c_1
  43. Line(B, k) → d_1
  44. Intersect(c_1, d_1) → V
  45. Line(T, c_1) → e_1
  46. Line(S, e_1) → f_1
  47. Line(R, f_1) → g_1
  48. Line(Q, g_1) → h_1
  49. Line(P, h_1) → i_1
  50. Line(O, i_1) → j_1
  51. Line(N, j_1) → k_1
  52. Line(M, k_1) → l_1
  53. Line(L, l_1) → m_1
  54. Intersect(d_1, e_1) → W
  55. Intersect(d_1, f_1) → Z
  56. Intersect(d_1, g_1) → A_1
  57. Intersect(d_1, h_1) → B_1
  58. Intersect(d_1, i_1) → C_1
  59. Intersect(d_1, j_1) → D_1
  60. Intersect(d_1, k_1) → E_1
  61. Intersect(d_1, l_1) → F_1
  62. Intersect(d_1, m_1) → G_1
  63. Segment(V, H_1) → n_1
  64. Segment(U, V) → p_1
  65. Segment(T, W) → q_1
  66. Segment(S, Z) → r_1
  67. Segment(R, A_1) → s_1
  68. Segment(Q, B_1) → t_1
  69. Segment(P, C_1) → a_2
  70. OrthogonalLine(A, a) → b_2
  71. Segment(O, D_1) → c_2
  72. Segment(N, E_1) → d_2
  73. Segment(M, F_1) → e_2
  74. Segment(L, G_1) → f_2
  75. Point(Circle[U, 1]) → I_1
  76. Segment(U, I_1) → g_2
  77. Point(Circle[I_1, 1]) → J_1
  78. Segment(I_1, J_1) → h_2
  79. Point(Circle[J_1, 1]) → K_1
  80. Segment(J_1, K_1) → i_2
  81. Point(Circle[K_1, 1]) → L_1
  82. Segment(K_1, L_1) → j_2
  83. Point(Circle[L_1, 1]) → M_1
  84. Segment(L_1, M_1) → k_2
  85. Point(Circle[M_1, 1]) → N_1
  86. Segment(M_1, N_1) → l_2
  87. Point(Circle[N_1, 1]) → O_1
  88. Segment(N_1, O_1) → m_2
  89. Point(Circle[O_1, 1]) → P_1
  90. Segment(O_1, P_1) → n_2
  91. Point(Circle[P_1, 1]) → Q_1
  92. Segment(P_1, Q_1) → p_2
  93. Segment(C, I_1) → q_2
  94. Segment(J_1, D) → r_2
  95. Segment(K_1, E) → s_2
  96. Segment(L_1, F) → t_2
  97. Segment(M_1, G) → a_3
  98. Segment(N_1, H) → b_3
  99. Segment(O_1, I) → c_3
  100. Segment(P_1, J) → d_3
  101. Segment(Q_1, K) → e_3
  102. Segment(A, U) → f_3
  103. Point(Circle[A, Base]) → Base_1
  104. Segment(A, Base_1) → g_3
  105. Point(Circle[A, Height]) → Height_1
  106. Segment(A, Height_1) → h_3
  107. Line(Height_1, g_3) → i_3
  108. Line(Base_1, h_3) → j_3
  109. Intersect(i_3, j_3) → T_1
  110. Segment(Height_1, T_1) → k_3
  111. Segment(T_1, Base_1) → l_3
  112. Polygon(Height_1, T_1, Base_1, A) → poly1, s_3, t_3, r_3, a_4
  113. Intersect(s_1, f_3) → R_1
  114. Intersect(r_1, f_3) → S_1
  115. Intersect(q_1, f_3) → U_1
  116. RotateText(text11, 1.5707963267948966) → text12