← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 824 · 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. 1.27 + 69 + 49 + 53 =
  2. 2.45 + 64 + 35 + 25 =
  3. 3.18 + 48 + 33 + 27 =
  4. 4.36 + 62 + 59 + 85 =
  5. 5.69 + 88 + 59 + 56 =
  6. 6.31 + 24 + 19 + 26 =
  7. 7.11 + 69 + 13 + 86 =
  8. 8.34 + 88 + 45 + 16 =
  9. 9.82 + 50 + 83 + 69 =
  10. 10.37 + 30 + 33 + 65 =
  11. 11.23 + 88 + 39 + 60 =
  12. 12.21 + 27 + 74 + 66 =
  13. 13.70 + 17 + 21 + 16 =
  14. 14.87 + 13 + 71 + 22 =
  15. 15.23 + 76 + 52 + 52 =
  16. 16.79 + 55 + 62 + 50 =
  17. 17.79 + 22 + 43 + 70 =
  18. 18.59 + 19 + 67 + 52 =
  19. 19.77 + 25 + 54 + 33 =
  20. 20.46 + 25 + 52 + 84 =
  21. 21.84 + 21 + 70 + 65 =
  22. 22.19 + 35 + 76 + 85 =
  23. 23.45 + 88 + 43 + 80 =
  24. 24.28 + 33 + 83 + 44 =
  25. 25.19 + 44 + 70 + 20 =
  26. 26.71 + 74 + 15 + 44 =
  27. 27.32 + 11 + 71 + 33 =
  28. 28.24 + 27 + 46 + 24 =
  29. 29.62 + 48 + 24 + 69 =
  30. 30.37 + 67 + 39 + 76 =
  31. 31.36 + 46 + 44 + 51 =
  32. 32.71 + 63 + 80 + 70 =
  33. 33.79 + 26 + 87 + 49 =
  34. 34.74 + 87 + 20 + 24 =
  35. 35.22 + 18 + 41 + 39 =
  36. 36.12 + 36 + 81 + 74 =
  37. 37.21 + 72 + 79 + 18 =
  38. 38.58 + 89 + 66 + 78 =
  39. 39.70 + 88 + 24 + 55 =
  40. 40.27 + 45 + 21 + 42 =

Answer key

  1. 198
  2. 169
  3. 126
  4. 242
  5. 272
  6. 100
  7. 179
  8. 183
  9. 284
  10. 165
  11. 210
  12. 188
  13. 124
  14. 193
  15. 203
  16. 246
  17. 214
  18. 197
  19. 189
  20. 207
  21. 240
  22. 215
  23. 256
  24. 188
  25. 153
  26. 204
  27. 147
  28. 121
  29. 203
  30. 219
  31. 177
  32. 284
  33. 241
  34. 205
  35. 120
  36. 203
  37. 190
  38. 291
  39. 237
  40. 135

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