← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 6 · 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. 1.29 + 33 + 39 + 31 =
  2. 2.57 + 60 + 67 + 29 =
  3. 3.70 + 33 + 38 + 82 =
  4. 4.42 + 42 + 83 + 23 =
  5. 5.85 + 48 + 60 + 28 =
  6. 6.36 + 43 + 89 + 61 =
  7. 7.13 + 52 + 21 + 84 =
  8. 8.44 + 14 + 69 + 75 =
  9. 9.83 + 79 + 82 + 31 =
  10. 10.50 + 53 + 52 + 86 =
  11. 11.29 + 60 + 11 + 72 =
  12. 12.41 + 42 + 81 + 21 =
  13. 13.14 + 12 + 48 + 50 =
  14. 14.12 + 38 + 85 + 58 =
  15. 15.31 + 24 + 15 + 13 =
  16. 16.75 + 72 + 39 + 26 =
  17. 17.79 + 12 + 55 + 77 =
  18. 18.26 + 54 + 69 + 16 =
  19. 19.33 + 87 + 15 + 78 =
  20. 20.46 + 26 + 22 + 28 =
  21. 21.58 + 33 + 69 + 77 =
  22. 22.49 + 12 + 83 + 81 =
  23. 23.33 + 35 + 14 + 15 =
  24. 24.74 + 64 + 53 + 55 =
  25. 25.48 + 31 + 14 + 58 =
  26. 26.13 + 30 + 66 + 46 =
  27. 27.19 + 71 + 82 + 28 =
  28. 28.14 + 57 + 60 + 20 =
  29. 29.65 + 46 + 60 + 45 =
  30. 30.24 + 83 + 52 + 31 =
  31. 31.13 + 22 + 78 + 47 =
  32. 32.85 + 53 + 50 + 46 =
  33. 33.65 + 14 + 27 + 37 =
  34. 34.67 + 89 + 73 + 18 =
  35. 35.14 + 84 + 58 + 88 =
  36. 36.55 + 41 + 43 + 33 =
  37. 37.11 + 56 + 26 + 43 =
  38. 38.28 + 81 + 38 + 75 =
  39. 39.61 + 60 + 58 + 85 =
  40. 40.79 + 53 + 87 + 73 =

Answer key

  1. 132
  2. 213
  3. 223
  4. 190
  5. 221
  6. 229
  7. 170
  8. 202
  9. 275
  10. 241
  11. 172
  12. 185
  13. 124
  14. 193
  15. 83
  16. 212
  17. 223
  18. 165
  19. 213
  20. 122
  21. 237
  22. 225
  23. 97
  24. 246
  25. 151
  26. 155
  27. 200
  28. 151
  29. 216
  30. 190
  31. 160
  32. 234
  33. 143
  34. 247
  35. 244
  36. 172
  37. 136
  38. 222
  39. 264
  40. 292

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