Use a formal written algorithm to record addition and subtraction calculations involving two-, three-, four- and five-digit numbers

1. Add Board: 60 + 23
2. Add Board: 30 + 70
3. Add Board: 40 + 60
4. Add Board: 63 + 20
5. On the board 13 + 15 = ?
6. On the board 12 + 13 = ?
7. On the board 14 + 12 = ?
8. On the board 18 + 11 = ?
9. On the board 15 + 14 = ?
10. On the board 963 + 5 = ?
11. On the board 242 + 6 = ?
12. On the board 781 + 8 = ?
13. On the board 427 + 2 = ?
14. On the board 113 + 4 = ?
15. On The Board 135+100
16. On The Board 254+100
17. On The Board 458+100
18. On The Board 765+100
19. On The Board 553+100
20. Add it up: Addition with trading 52+9
21. Add it up: Addition with trading 46+8
22. Add it up: Addition with trading 22+5
23. Add it up: Addition with trading 26+17
24. Add it up: Addition with trading 38+14
25. Add Board: 24 + 15 = ?
26. Add Board: 45 + 34 = ?
27. Add Board: 67 + 12 = ?
28. Add Board: 32 + 65 = ?
29. Add Board: 25 + 13 = ?
30. Add it up: 69+23
31. Add it up: 46+26
32. Add it up: 37+24
33. Add it up: 58+34
34. Add it up: 28+25
35. Add It Up: Addition with regrouping 15+28
36. Add It Up: Addition with regrouping 29+16
37. Add It Up: Addition with regrouping 22+29
38. Add It Up: Addition with regrouping 54+28
39. Add It Up: Addition with regrouping 67+27
40. Add It Up: Addition with regrouping 246+8
41. Add It Up: Addition with regrouping 289+4
42. Add It Up: Addition with regrouping 545+8
43. Add It Up: Addition with regrouping 637+5
44. Add It Up: Addition with regrouping 124+7
45. Add board 152+40
46. Add board 122+46
47. Add board 173+26
48. Add board 164+33
49. Add board 163+32
50. On the Board 63 + 32 = **
51. On the Board 63 + 17 = **
52. Add It Up: Addition with regrouping 45 + 17
53. Add It Up: Addition with regrouping 63 + 28
54. Add It Up: Addition with regrouping 34 + 48
55. Add It Up: Addition with regrouping 29 + 52
56. Add It Up: Addition with regrouping 46 + 37
57. Add It Up: Addition with regrouping 63 + 27
58. Add It Up: Addition with regrouping 34 + 57
59. Add It Up: Addition with regrouping 34 + 57
60. Add It Up: Addition with regrouping 55 + 25
61. Add It Up: Addition with regrouping 28 + 43
62. Add It Up: Addition with regrouping 968+ 5
63. Add It Up: Addition with regrouping 457+7
64. Add It Up: Addition with regrouping 213+9
65. Add It Up: Addition with regrouping 518+6
66. Add It Up: Addition with regrouping 812+ 8
67. Add it up: Addition with regrouping 863+59
68. Add it up: Addition with regrouping 347+56
69. Add it up: Addition with regrouping 723+89
70. Takeaway board 87-53
71. Takeaway board 29-15
72. Takeaway board 45-21
73. Takeaway board 77-34
74. Takeaway board 18-12
75. Take it away: Subtraction with decomposition 63-9
76. Take it away: Subtraction with decomposition 45-8
77. Take it away: Subtraction with decomposition 51-5
78. Take it away: Subtraction with decomposition 43-7
79. Take it away: Subtraction with decomposition 34-8
80. Take it away: Subtraction with decomposition 62-8
81. Take it away: Subtraction with decomposition 41-6
82. Take it away: Subtraction with decomposition 63-9
83. Take it away: Subtraction with decomposition 45-7
84. Take it away: Subtraction with decomposition 56-9
85. Take it away: Subtraction with decomposition 45-9
86. Takeaway board: 65-34
87. Takeaway board: 48-26
88. Take it away: Subtraction with decomposition 24 - 18
89. Take it away: Subtraction with decomposition 52 - 36
90. Take it away: Subtraction with decomposition 43 - 26
91. Take it away: Subtraction with decomposition 46 - 28
92. Take it away: Subtraction with decomposition 71 - 52
93. Take it away: Subtraction with decomposition 53 - 28
94. Take it away: Subtraction with decomposition 61 - 13
95. Take it away: Subtraction with decomposition 25 - 16
96. Take it away: Subtraction with decomposition 33 - 18
97. Take it away: Subtraction with decomposition 46 - 27
98. Take it away 352-18=334
99. Take it away 472-46=426
100. Take it away 271-138
101. Take it away 692-459
102. Take it away 942-513
103. Take it away 794-387
104. Take it away 583-228