← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 50 · 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. 1.22 + 16 + 29 + 16 =
  2. 2.31 + 42 + 71 + 84 =
  3. 3.50 + 40 + 89 + 23 =
  4. 4.67 + 15 + 81 + 24 =
  5. 5.29 + 47 + 29 + 35 =
  6. 6.85 + 21 + 79 + 52 =
  7. 7.12 + 68 + 44 + 21 =
  8. 8.41 + 64 + 25 + 37 =
  9. 9.69 + 11 + 84 + 21 =
  10. 10.17 + 17 + 24 + 32 =
  11. 11.89 + 30 + 41 + 43 =
  12. 12.18 + 49 + 13 + 82 =
  13. 13.50 + 65 + 45 + 30 =
  14. 14.22 + 49 + 27 + 12 =
  15. 15.32 + 32 + 34 + 16 =
  16. 16.31 + 45 + 44 + 35 =
  17. 17.57 + 69 + 22 + 74 =
  18. 18.37 + 39 + 25 + 50 =
  19. 19.82 + 16 + 35 + 80 =
  20. 20.22 + 23 + 24 + 11 =
  21. 21.17 + 69 + 74 + 23 =
  22. 22.40 + 21 + 63 + 29 =
  23. 23.69 + 49 + 54 + 22 =
  24. 24.77 + 43 + 62 + 44 =
  25. 25.47 + 18 + 57 + 12 =
  26. 26.15 + 63 + 57 + 71 =
  27. 27.72 + 30 + 54 + 20 =
  28. 28.41 + 61 + 57 + 17 =
  29. 29.81 + 87 + 80 + 22 =
  30. 30.17 + 79 + 89 + 14 =
  31. 31.25 + 29 + 38 + 43 =
  32. 32.18 + 26 + 19 + 35 =
  33. 33.45 + 50 + 21 + 41 =
  34. 34.87 + 65 + 82 + 67 =
  35. 35.83 + 14 + 86 + 58 =
  36. 36.51 + 18 + 39 + 16 =
  37. 37.45 + 45 + 27 + 76 =
  38. 38.32 + 56 + 45 + 68 =
  39. 39.15 + 67 + 28 + 80 =
  40. 40.33 + 71 + 29 + 35 =

Answer key

  1. 83
  2. 228
  3. 202
  4. 187
  5. 140
  6. 237
  7. 145
  8. 167
  9. 185
  10. 90
  11. 203
  12. 162
  13. 190
  14. 110
  15. 114
  16. 155
  17. 222
  18. 151
  19. 213
  20. 80
  21. 183
  22. 153
  23. 194
  24. 226
  25. 134
  26. 206
  27. 176
  28. 176
  29. 270
  30. 199
  31. 135
  32. 98
  33. 157
  34. 301
  35. 241
  36. 124
  37. 193
  38. 201
  39. 190
  40. 168

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