← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 390 · 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. 1.71 + 49 + 47 + 63 =
  2. 2.81 + 26 + 82 + 88 =
  3. 3.78 + 40 + 41 + 74 =
  4. 4.73 + 17 + 34 + 80 =
  5. 5.70 + 16 + 56 + 32 =
  6. 6.18 + 59 + 12 + 51 =
  7. 7.34 + 67 + 29 + 12 =
  8. 8.88 + 62 + 62 + 82 =
  9. 9.68 + 23 + 39 + 13 =
  10. 10.73 + 71 + 14 + 58 =
  11. 11.17 + 36 + 15 + 69 =
  12. 12.15 + 66 + 72 + 23 =
  13. 13.23 + 23 + 17 + 29 =
  14. 14.61 + 27 + 74 + 66 =
  15. 15.56 + 68 + 32 + 79 =
  16. 16.13 + 67 + 37 + 89 =
  17. 17.85 + 63 + 35 + 27 =
  18. 18.13 + 20 + 47 + 32 =
  19. 19.13 + 22 + 25 + 75 =
  20. 20.15 + 77 + 43 + 11 =
  21. 21.47 + 44 + 48 + 39 =
  22. 22.52 + 24 + 29 + 89 =
  23. 23.36 + 65 + 82 + 87 =
  24. 24.36 + 11 + 36 + 27 =
  25. 25.25 + 81 + 28 + 78 =
  26. 26.79 + 41 + 76 + 78 =
  27. 27.23 + 60 + 55 + 87 =
  28. 28.80 + 16 + 87 + 37 =
  29. 29.41 + 39 + 34 + 69 =
  30. 30.15 + 76 + 18 + 21 =
  31. 31.33 + 34 + 65 + 45 =
  32. 32.56 + 20 + 27 + 58 =
  33. 33.35 + 58 + 54 + 24 =
  34. 34.32 + 78 + 79 + 19 =
  35. 35.49 + 23 + 15 + 54 =
  36. 36.41 + 16 + 12 + 56 =
  37. 37.16 + 14 + 88 + 13 =
  38. 38.81 + 82 + 17 + 65 =
  39. 39.84 + 16 + 50 + 40 =
  40. 40.11 + 49 + 82 + 45 =

Answer key

  1. 230
  2. 277
  3. 233
  4. 204
  5. 174
  6. 140
  7. 142
  8. 294
  9. 143
  10. 216
  11. 137
  12. 176
  13. 92
  14. 228
  15. 235
  16. 206
  17. 210
  18. 112
  19. 135
  20. 146
  21. 178
  22. 194
  23. 270
  24. 110
  25. 212
  26. 274
  27. 225
  28. 220
  29. 183
  30. 130
  31. 177
  32. 161
  33. 171
  34. 208
  35. 141
  36. 125
  37. 131
  38. 245
  39. 190
  40. 187

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