← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 33 · 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. 1.86 + 52 + 56 + 68 =
  2. 2.67 + 44 + 67 + 86 =
  3. 3.75 + 52 + 45 + 69 =
  4. 4.82 + 27 + 19 + 87 =
  5. 5.39 + 51 + 69 + 35 =
  6. 6.60 + 12 + 30 + 20 =
  7. 7.83 + 15 + 46 + 12 =
  8. 8.14 + 25 + 43 + 30 =
  9. 9.36 + 77 + 15 + 29 =
  10. 10.33 + 76 + 80 + 45 =
  11. 11.52 + 28 + 84 + 53 =
  12. 12.83 + 20 + 69 + 70 =
  13. 13.68 + 28 + 27 + 20 =
  14. 14.73 + 54 + 83 + 11 =
  15. 15.79 + 39 + 81 + 72 =
  16. 16.15 + 88 + 40 + 70 =
  17. 17.79 + 83 + 70 + 74 =
  18. 18.23 + 87 + 47 + 51 =
  19. 19.82 + 40 + 86 + 34 =
  20. 20.84 + 41 + 78 + 55 =
  21. 21.65 + 87 + 26 + 87 =
  22. 22.20 + 49 + 62 + 85 =
  23. 23.37 + 66 + 24 + 83 =
  24. 24.73 + 15 + 34 + 52 =
  25. 25.34 + 53 + 67 + 57 =
  26. 26.38 + 36 + 14 + 67 =
  27. 27.50 + 88 + 19 + 61 =
  28. 28.24 + 26 + 48 + 64 =
  29. 29.13 + 37 + 81 + 78 =
  30. 30.81 + 49 + 17 + 47 =
  31. 31.45 + 51 + 18 + 22 =
  32. 32.54 + 75 + 75 + 37 =
  33. 33.14 + 83 + 89 + 19 =
  34. 34.79 + 72 + 35 + 49 =
  35. 35.44 + 76 + 69 + 48 =
  36. 36.70 + 20 + 88 + 74 =
  37. 37.86 + 78 + 31 + 45 =
  38. 38.24 + 49 + 28 + 22 =
  39. 39.36 + 67 + 34 + 13 =
  40. 40.81 + 73 + 42 + 39 =

Answer key

  1. 262
  2. 264
  3. 241
  4. 215
  5. 194
  6. 122
  7. 156
  8. 112
  9. 157
  10. 234
  11. 217
  12. 242
  13. 143
  14. 221
  15. 271
  16. 213
  17. 306
  18. 208
  19. 242
  20. 258
  21. 265
  22. 216
  23. 210
  24. 174
  25. 211
  26. 155
  27. 218
  28. 162
  29. 209
  30. 194
  31. 136
  32. 241
  33. 205
  34. 235
  35. 237
  36. 252
  37. 240
  38. 123
  39. 150
  40. 235

Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths