← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 794 · 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. 1.31 + 70 + 12 + 20 =
  2. 2.61 + 16 + 70 + 68 =
  3. 3.18 + 81 + 71 + 56 =
  4. 4.48 + 35 + 87 + 55 =
  5. 5.31 + 62 + 84 + 27 =
  6. 6.87 + 84 + 13 + 73 =
  7. 7.17 + 50 + 16 + 41 =
  8. 8.17 + 61 + 66 + 67 =
  9. 9.21 + 12 + 53 + 16 =
  10. 10.49 + 45 + 34 + 43 =
  11. 11.78 + 25 + 15 + 19 =
  12. 12.53 + 81 + 21 + 34 =
  13. 13.55 + 52 + 72 + 58 =
  14. 14.65 + 35 + 22 + 72 =
  15. 15.69 + 23 + 12 + 73 =
  16. 16.18 + 66 + 42 + 85 =
  17. 17.15 + 85 + 68 + 14 =
  18. 18.20 + 84 + 78 + 15 =
  19. 19.67 + 25 + 31 + 87 =
  20. 20.48 + 66 + 75 + 56 =
  21. 21.58 + 55 + 19 + 17 =
  22. 22.87 + 26 + 85 + 49 =
  23. 23.72 + 39 + 33 + 28 =
  24. 24.57 + 12 + 56 + 29 =
  25. 25.80 + 67 + 65 + 71 =
  26. 26.50 + 30 + 19 + 36 =
  27. 27.68 + 65 + 25 + 59 =
  28. 28.27 + 54 + 31 + 50 =
  29. 29.13 + 48 + 27 + 66 =
  30. 30.16 + 33 + 46 + 18 =
  31. 31.36 + 32 + 11 + 57 =
  32. 32.27 + 33 + 29 + 29 =
  33. 33.78 + 55 + 75 + 60 =
  34. 34.70 + 12 + 74 + 87 =
  35. 35.87 + 63 + 11 + 39 =
  36. 36.24 + 45 + 11 + 58 =
  37. 37.36 + 45 + 53 + 21 =
  38. 38.54 + 16 + 52 + 68 =
  39. 39.51 + 78 + 21 + 29 =
  40. 40.80 + 27 + 47 + 54 =

Answer key

  1. 133
  2. 215
  3. 226
  4. 225
  5. 204
  6. 257
  7. 124
  8. 211
  9. 102
  10. 171
  11. 137
  12. 189
  13. 237
  14. 194
  15. 177
  16. 211
  17. 182
  18. 197
  19. 210
  20. 245
  21. 149
  22. 247
  23. 172
  24. 154
  25. 283
  26. 135
  27. 217
  28. 162
  29. 154
  30. 113
  31. 136
  32. 118
  33. 268
  34. 243
  35. 200
  36. 138
  37. 155
  38. 190
  39. 179
  40. 208

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