← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 629 · 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. 1.40 + 56 + 50 + 66 =
  2. 2.29 + 27 + 40 + 25 =
  3. 3.50 + 67 + 36 + 49 =
  4. 4.59 + 15 + 56 + 67 =
  5. 5.68 + 51 + 34 + 53 =
  6. 6.77 + 48 + 27 + 21 =
  7. 7.62 + 89 + 73 + 20 =
  8. 8.83 + 59 + 67 + 19 =
  9. 9.78 + 73 + 34 + 80 =
  10. 10.84 + 19 + 14 + 17 =
  11. 11.53 + 40 + 14 + 49 =
  12. 12.83 + 11 + 31 + 14 =
  13. 13.45 + 16 + 20 + 12 =
  14. 14.82 + 80 + 28 + 44 =
  15. 15.64 + 66 + 34 + 26 =
  16. 16.66 + 27 + 53 + 69 =
  17. 17.40 + 62 + 66 + 73 =
  18. 18.21 + 44 + 49 + 67 =
  19. 19.35 + 32 + 87 + 48 =
  20. 20.43 + 51 + 18 + 26 =
  21. 21.85 + 33 + 25 + 47 =
  22. 22.46 + 12 + 37 + 39 =
  23. 23.28 + 40 + 49 + 76 =
  24. 24.17 + 36 + 36 + 12 =
  25. 25.28 + 27 + 57 + 17 =
  26. 26.30 + 31 + 52 + 76 =
  27. 27.29 + 87 + 30 + 54 =
  28. 28.30 + 48 + 62 + 86 =
  29. 29.67 + 15 + 66 + 62 =
  30. 30.76 + 24 + 16 + 65 =
  31. 31.57 + 28 + 22 + 83 =
  32. 32.79 + 61 + 17 + 39 =
  33. 33.44 + 54 + 16 + 82 =
  34. 34.72 + 44 + 29 + 38 =
  35. 35.23 + 80 + 51 + 68 =
  36. 36.24 + 65 + 57 + 51 =
  37. 37.49 + 58 + 23 + 61 =
  38. 38.77 + 89 + 27 + 17 =
  39. 39.71 + 72 + 20 + 23 =
  40. 40.16 + 81 + 52 + 59 =

Answer key

  1. 212
  2. 121
  3. 202
  4. 197
  5. 206
  6. 173
  7. 244
  8. 228
  9. 265
  10. 134
  11. 156
  12. 139
  13. 93
  14. 234
  15. 190
  16. 215
  17. 241
  18. 181
  19. 202
  20. 138
  21. 190
  22. 134
  23. 193
  24. 101
  25. 129
  26. 189
  27. 200
  28. 226
  29. 210
  30. 181
  31. 190
  32. 196
  33. 196
  34. 183
  35. 222
  36. 197
  37. 191
  38. 210
  39. 186
  40. 208

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