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Grade 2 Module 3 Lesson 13: Place Value Disks Problem Set

Grade 2 Module 3 Lesson 13: Place Value Disks Problem Set
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2020-12-16 11:20
PolygonGeometric Construction
This GeoGebra example demonstrates a problem set for second-grade students using place value disks to visualize numbers and addition. The core math concepts include place value (ones, tens, hundreds), addition of natural numbers, and the base-10 number system. The construction uses the Polygon command to create disk shapes, along with custom commands like Make100, Make10, and Make1 to label disks of different place values, and the Sum command to compute totals. Objects include multiple polygons (poly1, poly2, poly3) and text labels (text51, text52, text53) to show grouping and accumulation. This resource is ideal for elementary students learning place value and addition, and for teachers as a classroom demonstration tool.

GeoGebra Commands & Parameters

  1. Polygon(C_2, D_2, E_2, F_2) → poly1, c_5, d_5, e_4, f_4
  2. Polygon(F_2, E_2, G_2, H_2) → poly2, f_5, e_5, g_4, h_4
  3. Polygon(H_2, G_2, I_2, J_2) → poly3, h_5, g_5, i_2, j_2
  4. Make100(A) → c, text1
  5. Make100(B) → d, text2
  6. Make100(C) → e, text3
  7. Make100(D) → f, text4
  8. Make100(E) → g, text5
  9. Make100(F) → h, text6
  10. Make100(G) → k, text7
  11. Make100(H) → p, text8
  12. Make100(I) → q, text9
  13. Make100(J) → r, text10
  14. Make10(K) → s, text11
  15. Make10(L) → t, text12
  16. Make10(M) → c_1, text13
  17. Make10(N) → d_1, text14
  18. Make10(O) → e_1, text15
  19. Make10(P) → f_1, text16
  20. Make10(Q) → g_1, text17
  21. Make10(R) → h_1, text18
  22. Make10(S) → k_1, text19
  23. Make10(T) → p_1, text20
  24. Make10(U) → q_1, text21
  25. Make10(V) → r_1, text22
  26. Make10(W) → s_1, text23
  27. Make10(Z) → t_1, text24
  28. Make10(A_1) → c_2, text25
  29. Make10(B_1) → d_2, text26
  30. Make10(C_1) → e_2, text27
  31. Make10(D_1) → f_2, text28
  32. Make10(E_1) → g_2, text29
  33. Make10(F_1) → h_2, text30
  34. Make1(G_1) → k_2, text31
  35. Make1(H_1) → p_2, text32
  36. Make1(I_1) → q_2, text33
  37. Make1(J_1) → r_2, text34
  38. Make1(K_1) → s_2, text35
  39. Make1(L_1) → t_2, text36
  40. Make1(M_1) → c_3, text37
  41. Make1(N_1) → d_3, text38
  42. Make1(O_1) → e_3, text39
  43. Make1(P_1) → f_3, text40
  44. Make1(Q_1) → g_3, text41
  45. Make1(R_1) → h_3, text42
  46. Make1(S_1) → k_3, text43
  47. Make1(T_1) → p_3, text44
  48. Make1(U_1) → q_3, text45
  49. Make1(V_1) → r_3, text46
  50. Make1(W_1) → s_3, text47
  51. Make1(Z_1) → t_3, text48
  52. Make1(A_2) → c_4, text49
  53. Make1(B_2) → d_4, text50
  54. Polygon(D_2, K_2, L_2, E_2) → poly4, d_6, k_4, l_2, e_6
  55. Polygon(E_2, L_2, M_2, G_2) → poly5, e_7, l_1, m_2, g_6
  56. Polygon(G_2, M_2, N_2, I_2) → poly6, g_7, m_1, n_2, i_1
  57. Sum(Sequence[IsInRegion[Element[listOnes, i], poly6], i, 1, 20]) → valueOnes

AI Drawing Prompt Reference

Draw three tens disks and one hundreds disk, each with different colors for ones, tens, and hundreds. First, draw three tens disks with different colors for ones and tens, then draw one hundreds disk with different colors for ones, tens, and hundreds. Next, use the Make100 command to add 10 units to each disk, use the Make1 command to add 1 unit to each unit, and finally use the Sum command to calculate the total.
The prompt above was compiled from the original drawing commands and is for reference only.