← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 483 · 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. 1.85 + 20 + 75 + 35 =
  2. 2.72 + 25 + 88 + 53 =
  3. 3.18 + 50 + 12 + 72 =
  4. 4.31 + 47 + 49 + 85 =
  5. 5.61 + 24 + 51 + 40 =
  6. 6.73 + 63 + 77 + 25 =
  7. 7.28 + 42 + 16 + 70 =
  8. 8.15 + 21 + 51 + 74 =
  9. 9.25 + 47 + 41 + 75 =
  10. 10.53 + 59 + 84 + 55 =
  11. 11.68 + 32 + 13 + 76 =
  12. 12.24 + 60 + 88 + 58 =
  13. 13.53 + 27 + 70 + 50 =
  14. 14.42 + 79 + 37 + 49 =
  15. 15.65 + 18 + 59 + 26 =
  16. 16.66 + 50 + 42 + 24 =
  17. 17.67 + 48 + 32 + 11 =
  18. 18.25 + 49 + 74 + 28 =
  19. 19.31 + 89 + 52 + 13 =
  20. 20.26 + 29 + 42 + 71 =
  21. 21.88 + 17 + 51 + 36 =
  22. 22.43 + 25 + 44 + 41 =
  23. 23.25 + 31 + 22 + 34 =
  24. 24.15 + 58 + 54 + 31 =
  25. 25.38 + 18 + 68 + 70 =
  26. 26.42 + 19 + 88 + 73 =
  27. 27.45 + 83 + 61 + 83 =
  28. 28.41 + 50 + 60 + 81 =
  29. 29.65 + 13 + 55 + 55 =
  30. 30.26 + 25 + 84 + 23 =
  31. 31.13 + 38 + 27 + 51 =
  32. 32.52 + 13 + 85 + 44 =
  33. 33.72 + 15 + 15 + 64 =
  34. 34.71 + 64 + 20 + 12 =
  35. 35.31 + 67 + 89 + 43 =
  36. 36.25 + 25 + 66 + 22 =
  37. 37.68 + 58 + 45 + 27 =
  38. 38.47 + 31 + 49 + 22 =
  39. 39.69 + 75 + 88 + 28 =
  40. 40.11 + 32 + 17 + 36 =

Answer key

  1. 215
  2. 238
  3. 152
  4. 212
  5. 176
  6. 238
  7. 156
  8. 161
  9. 188
  10. 251
  11. 189
  12. 230
  13. 200
  14. 207
  15. 168
  16. 182
  17. 158
  18. 176
  19. 185
  20. 168
  21. 192
  22. 153
  23. 112
  24. 158
  25. 194
  26. 222
  27. 272
  28. 232
  29. 188
  30. 158
  31. 129
  32. 194
  33. 166
  34. 167
  35. 230
  36. 138
  37. 198
  38. 149
  39. 260
  40. 96

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