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Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 76 · 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. 1.78 + 68 + 17 + 34 =
  2. 2.20 + 17 + 69 + 35 =
  3. 3.55 + 76 + 68 + 38 =
  4. 4.45 + 14 + 25 + 75 =
  5. 5.44 + 76 + 24 + 11 =
  6. 6.41 + 85 + 85 + 89 =
  7. 7.38 + 63 + 43 + 25 =
  8. 8.17 + 58 + 85 + 81 =
  9. 9.51 + 16 + 54 + 46 =
  10. 10.34 + 65 + 22 + 62 =
  11. 11.43 + 34 + 24 + 44 =
  12. 12.53 + 37 + 22 + 48 =
  13. 13.46 + 38 + 20 + 34 =
  14. 14.19 + 80 + 69 + 50 =
  15. 15.50 + 87 + 83 + 82 =
  16. 16.42 + 70 + 79 + 55 =
  17. 17.66 + 33 + 85 + 85 =
  18. 18.88 + 42 + 23 + 22 =
  19. 19.32 + 31 + 59 + 70 =
  20. 20.22 + 86 + 27 + 67 =
  21. 21.56 + 17 + 34 + 66 =
  22. 22.79 + 75 + 19 + 73 =
  23. 23.40 + 52 + 34 + 40 =
  24. 24.83 + 68 + 22 + 89 =
  25. 25.25 + 32 + 44 + 80 =
  26. 26.34 + 89 + 58 + 49 =
  27. 27.58 + 51 + 79 + 48 =
  28. 28.70 + 69 + 22 + 80 =
  29. 29.39 + 87 + 50 + 71 =
  30. 30.45 + 81 + 11 + 67 =
  31. 31.87 + 16 + 28 + 75 =
  32. 32.84 + 75 + 15 + 37 =
  33. 33.84 + 11 + 37 + 45 =
  34. 34.28 + 45 + 31 + 83 =
  35. 35.18 + 52 + 46 + 49 =
  36. 36.81 + 28 + 12 + 49 =
  37. 37.11 + 66 + 50 + 87 =
  38. 38.17 + 38 + 15 + 11 =
  39. 39.26 + 88 + 43 + 18 =
  40. 40.44 + 65 + 76 + 45 =

Answer key

  1. 197
  2. 141
  3. 237
  4. 159
  5. 155
  6. 300
  7. 169
  8. 241
  9. 167
  10. 183
  11. 145
  12. 160
  13. 138
  14. 218
  15. 302
  16. 246
  17. 269
  18. 175
  19. 192
  20. 202
  21. 173
  22. 246
  23. 166
  24. 262
  25. 181
  26. 230
  27. 236
  28. 241
  29. 247
  30. 204
  31. 206
  32. 211
  33. 177
  34. 187
  35. 165
  36. 170
  37. 214
  38. 81
  39. 175
  40. 230

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