← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 174 · 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. 1.41 + 59 + 24 + 37 =
  2. 2.57 + 40 + 47 + 26 =
  3. 3.36 + 13 + 21 + 54 =
  4. 4.79 + 76 + 57 + 55 =
  5. 5.47 + 21 + 30 + 28 =
  6. 6.42 + 13 + 80 + 27 =
  7. 7.14 + 39 + 12 + 47 =
  8. 8.82 + 48 + 49 + 48 =
  9. 9.64 + 12 + 70 + 50 =
  10. 10.28 + 15 + 25 + 67 =
  11. 11.74 + 47 + 13 + 47 =
  12. 12.61 + 44 + 36 + 32 =
  13. 13.76 + 18 + 49 + 53 =
  14. 14.70 + 24 + 21 + 46 =
  15. 15.68 + 42 + 83 + 23 =
  16. 16.29 + 61 + 79 + 14 =
  17. 17.66 + 58 + 71 + 27 =
  18. 18.36 + 37 + 15 + 23 =
  19. 19.18 + 25 + 78 + 70 =
  20. 20.42 + 41 + 68 + 20 =
  21. 21.75 + 81 + 32 + 83 =
  22. 22.80 + 42 + 57 + 55 =
  23. 23.86 + 86 + 69 + 86 =
  24. 24.29 + 51 + 76 + 27 =
  25. 25.53 + 84 + 20 + 54 =
  26. 26.63 + 89 + 45 + 23 =
  27. 27.12 + 61 + 44 + 47 =
  28. 28.21 + 45 + 52 + 58 =
  29. 29.45 + 12 + 49 + 44 =
  30. 30.65 + 17 + 51 + 77 =
  31. 31.59 + 22 + 58 + 65 =
  32. 32.75 + 15 + 87 + 65 =
  33. 33.59 + 78 + 12 + 15 =
  34. 34.45 + 79 + 49 + 23 =
  35. 35.26 + 66 + 67 + 50 =
  36. 36.52 + 80 + 48 + 18 =
  37. 37.53 + 85 + 46 + 42 =
  38. 38.65 + 26 + 50 + 71 =
  39. 39.31 + 71 + 26 + 26 =
  40. 40.58 + 62 + 65 + 35 =

Answer key

  1. 161
  2. 170
  3. 124
  4. 267
  5. 126
  6. 162
  7. 112
  8. 227
  9. 196
  10. 135
  11. 181
  12. 173
  13. 196
  14. 161
  15. 216
  16. 183
  17. 222
  18. 111
  19. 191
  20. 171
  21. 271
  22. 234
  23. 327
  24. 183
  25. 211
  26. 220
  27. 164
  28. 176
  29. 150
  30. 210
  31. 204
  32. 242
  33. 164
  34. 196
  35. 209
  36. 198
  37. 226
  38. 212
  39. 154
  40. 220

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