← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 82 · 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. 1.84 + 41 + 18 + 52 =
  2. 2.84 + 52 + 48 + 16 =
  3. 3.79 + 79 + 79 + 27 =
  4. 4.43 + 55 + 29 + 51 =
  5. 5.62 + 59 + 35 + 39 =
  6. 6.48 + 71 + 20 + 21 =
  7. 7.67 + 74 + 58 + 28 =
  8. 8.19 + 15 + 49 + 78 =
  9. 9.77 + 61 + 58 + 80 =
  10. 10.54 + 26 + 53 + 76 =
  11. 11.74 + 20 + 37 + 47 =
  12. 12.13 + 42 + 35 + 66 =
  13. 13.46 + 61 + 86 + 17 =
  14. 14.86 + 23 + 73 + 34 =
  15. 15.13 + 64 + 71 + 64 =
  16. 16.25 + 89 + 16 + 47 =
  17. 17.70 + 85 + 57 + 14 =
  18. 18.26 + 70 + 88 + 13 =
  19. 19.13 + 76 + 19 + 70 =
  20. 20.87 + 56 + 68 + 80 =
  21. 21.87 + 87 + 45 + 20 =
  22. 22.51 + 37 + 58 + 80 =
  23. 23.57 + 32 + 68 + 69 =
  24. 24.15 + 81 + 59 + 30 =
  25. 25.25 + 13 + 17 + 31 =
  26. 26.48 + 78 + 37 + 64 =
  27. 27.21 + 12 + 38 + 82 =
  28. 28.14 + 37 + 86 + 79 =
  29. 29.35 + 47 + 31 + 57 =
  30. 30.58 + 15 + 48 + 74 =
  31. 31.35 + 42 + 14 + 35 =
  32. 32.28 + 50 + 83 + 64 =
  33. 33.29 + 75 + 81 + 54 =
  34. 34.60 + 50 + 28 + 86 =
  35. 35.86 + 21 + 16 + 41 =
  36. 36.19 + 72 + 30 + 37 =
  37. 37.61 + 81 + 48 + 59 =
  38. 38.48 + 83 + 18 + 81 =
  39. 39.88 + 37 + 31 + 44 =
  40. 40.73 + 49 + 78 + 35 =

Answer key

  1. 195
  2. 200
  3. 264
  4. 178
  5. 195
  6. 160
  7. 227
  8. 161
  9. 276
  10. 209
  11. 178
  12. 156
  13. 210
  14. 216
  15. 212
  16. 177
  17. 226
  18. 197
  19. 178
  20. 291
  21. 239
  22. 226
  23. 226
  24. 185
  25. 86
  26. 227
  27. 153
  28. 216
  29. 170
  30. 195
  31. 126
  32. 225
  33. 239
  34. 224
  35. 164
  36. 158
  37. 249
  38. 230
  39. 200
  40. 235

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