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Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 960 · 40 questions
TalentJR

The fast method (Keep a running total): Start with the first number. Add the tens of the next number, then its ones. Keep going until the list ends — only one total in your head at a time.

NameDateTime takenScore ___ / 40
  1. 1.33 + 85 + 30 + 34 =
  2. 2.44 + 31 + 43 + 61 =
  3. 3.73 + 35 + 41 + 82 =
  4. 4.37 + 35 + 86 + 38 =
  5. 5.24 + 56 + 33 + 85 =
  6. 6.23 + 76 + 88 + 16 =
  7. 7.40 + 63 + 17 + 14 =
  8. 8.37 + 58 + 32 + 63 =
  9. 9.13 + 38 + 57 + 49 =
  10. 10.56 + 76 + 74 + 23 =
  11. 11.60 + 32 + 67 + 62 =
  12. 12.68 + 38 + 51 + 19 =
  13. 13.28 + 83 + 59 + 34 =
  14. 14.19 + 72 + 79 + 57 =
  15. 15.57 + 23 + 49 + 41 =
  16. 16.75 + 49 + 19 + 27 =
  17. 17.75 + 16 + 61 + 27 =
  18. 18.66 + 54 + 76 + 64 =
  19. 19.64 + 78 + 66 + 58 =
  20. 20.37 + 13 + 74 + 49 =
  21. 21.84 + 88 + 46 + 81 =
  22. 22.48 + 16 + 86 + 89 =
  23. 23.20 + 68 + 37 + 81 =
  24. 24.29 + 70 + 34 + 22 =
  25. 25.72 + 29 + 59 + 33 =
  26. 26.21 + 11 + 32 + 48 =
  27. 27.14 + 41 + 25 + 37 =
  28. 28.38 + 27 + 21 + 74 =
  29. 29.70 + 83 + 15 + 62 =
  30. 30.73 + 45 + 71 + 87 =
  31. 31.87 + 59 + 26 + 81 =
  32. 32.64 + 41 + 27 + 67 =
  33. 33.51 + 71 + 55 + 42 =
  34. 34.60 + 86 + 24 + 60 =
  35. 35.72 + 29 + 51 + 82 =
  36. 36.78 + 81 + 23 + 36 =
  37. 37.21 + 31 + 36 + 89 =
  38. 38.23 + 16 + 32 + 23 =
  39. 39.75 + 47 + 12 + 29 =
  40. 40.81 + 44 + 34 + 73 =

Answer key

  1. 182
  2. 179
  3. 231
  4. 196
  5. 198
  6. 203
  7. 134
  8. 190
  9. 157
  10. 229
  11. 221
  12. 176
  13. 204
  14. 227
  15. 170
  16. 170
  17. 179
  18. 260
  19. 266
  20. 173
  21. 299
  22. 239
  23. 206
  24. 155
  25. 193
  26. 112
  27. 117
  28. 160
  29. 230
  30. 276
  31. 253
  32. 199
  33. 219
  34. 230
  35. 234
  36. 218
  37. 177
  38. 94
  39. 163
  40. 232

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