← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 23 · 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. 1.20 + 68 + 81 + 29 =
  2. 2.36 + 24 + 23 + 11 =
  3. 3.12 + 68 + 14 + 65 =
  4. 4.67 + 33 + 21 + 77 =
  5. 5.89 + 28 + 63 + 37 =
  6. 6.40 + 74 + 16 + 44 =
  7. 7.15 + 20 + 70 + 71 =
  8. 8.23 + 35 + 57 + 22 =
  9. 9.39 + 49 + 75 + 51 =
  10. 10.70 + 56 + 75 + 77 =
  11. 11.87 + 57 + 74 + 33 =
  12. 12.70 + 18 + 51 + 64 =
  13. 13.22 + 47 + 15 + 65 =
  14. 14.41 + 47 + 78 + 73 =
  15. 15.82 + 25 + 26 + 26 =
  16. 16.60 + 33 + 61 + 67 =
  17. 17.24 + 39 + 23 + 45 =
  18. 18.53 + 47 + 58 + 54 =
  19. 19.61 + 13 + 24 + 51 =
  20. 20.34 + 59 + 81 + 24 =
  21. 21.89 + 60 + 23 + 67 =
  22. 22.28 + 49 + 18 + 39 =
  23. 23.14 + 32 + 39 + 87 =
  24. 24.69 + 84 + 19 + 26 =
  25. 25.37 + 12 + 20 + 20 =
  26. 26.83 + 66 + 13 + 54 =
  27. 27.57 + 33 + 70 + 34 =
  28. 28.46 + 27 + 72 + 75 =
  29. 29.63 + 59 + 78 + 77 =
  30. 30.53 + 27 + 71 + 26 =
  31. 31.87 + 60 + 18 + 19 =
  32. 32.33 + 16 + 68 + 31 =
  33. 33.46 + 32 + 15 + 73 =
  34. 34.17 + 85 + 83 + 58 =
  35. 35.68 + 77 + 25 + 79 =
  36. 36.54 + 28 + 12 + 89 =
  37. 37.31 + 51 + 78 + 37 =
  38. 38.62 + 20 + 20 + 38 =
  39. 39.58 + 73 + 36 + 29 =
  40. 40.77 + 12 + 67 + 62 =

Answer key

  1. 198
  2. 94
  3. 159
  4. 198
  5. 217
  6. 174
  7. 176
  8. 137
  9. 214
  10. 278
  11. 251
  12. 203
  13. 149
  14. 239
  15. 159
  16. 221
  17. 131
  18. 212
  19. 149
  20. 198
  21. 239
  22. 134
  23. 172
  24. 198
  25. 89
  26. 216
  27. 194
  28. 220
  29. 277
  30. 177
  31. 184
  32. 148
  33. 166
  34. 243
  35. 249
  36. 183
  37. 197
  38. 140
  39. 196
  40. 218

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