← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 412 · 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. 1.71 + 62 + 48 + 40 =
  2. 2.39 + 78 + 74 + 33 =
  3. 3.50 + 67 + 54 + 23 =
  4. 4.47 + 83 + 79 + 50 =
  5. 5.55 + 39 + 78 + 72 =
  6. 6.28 + 59 + 76 + 35 =
  7. 7.51 + 69 + 33 + 40 =
  8. 8.22 + 40 + 79 + 74 =
  9. 9.50 + 61 + 65 + 80 =
  10. 10.73 + 89 + 30 + 40 =
  11. 11.42 + 41 + 13 + 58 =
  12. 12.52 + 80 + 59 + 17 =
  13. 13.62 + 70 + 77 + 30 =
  14. 14.31 + 52 + 37 + 43 =
  15. 15.57 + 65 + 85 + 87 =
  16. 16.69 + 73 + 49 + 74 =
  17. 17.22 + 80 + 30 + 24 =
  18. 18.11 + 63 + 71 + 85 =
  19. 19.51 + 76 + 54 + 83 =
  20. 20.34 + 14 + 53 + 73 =
  21. 21.42 + 56 + 30 + 11 =
  22. 22.17 + 12 + 28 + 35 =
  23. 23.50 + 23 + 17 + 12 =
  24. 24.21 + 89 + 25 + 59 =
  25. 25.45 + 78 + 75 + 77 =
  26. 26.74 + 15 + 55 + 11 =
  27. 27.22 + 25 + 73 + 68 =
  28. 28.24 + 13 + 78 + 57 =
  29. 29.77 + 24 + 61 + 56 =
  30. 30.43 + 49 + 53 + 72 =
  31. 31.35 + 17 + 83 + 13 =
  32. 32.19 + 66 + 36 + 82 =
  33. 33.85 + 81 + 72 + 70 =
  34. 34.84 + 30 + 51 + 71 =
  35. 35.81 + 73 + 61 + 50 =
  36. 36.49 + 18 + 19 + 23 =
  37. 37.85 + 27 + 60 + 40 =
  38. 38.21 + 16 + 25 + 83 =
  39. 39.46 + 49 + 73 + 42 =
  40. 40.18 + 82 + 30 + 43 =

Answer key

  1. 221
  2. 224
  3. 194
  4. 259
  5. 244
  6. 198
  7. 193
  8. 215
  9. 256
  10. 232
  11. 154
  12. 208
  13. 239
  14. 163
  15. 294
  16. 265
  17. 156
  18. 230
  19. 264
  20. 174
  21. 139
  22. 92
  23. 102
  24. 194
  25. 275
  26. 155
  27. 188
  28. 172
  29. 218
  30. 217
  31. 148
  32. 203
  33. 308
  34. 236
  35. 265
  36. 109
  37. 212
  38. 145
  39. 210
  40. 173

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