← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 686 · 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. 1.13 + 11 + 39 + 67 =
  2. 2.89 + 54 + 84 + 20 =
  3. 3.22 + 26 + 11 + 76 =
  4. 4.72 + 31 + 46 + 41 =
  5. 5.58 + 54 + 63 + 52 =
  6. 6.21 + 72 + 85 + 57 =
  7. 7.30 + 56 + 13 + 14 =
  8. 8.43 + 82 + 38 + 11 =
  9. 9.17 + 76 + 30 + 42 =
  10. 10.46 + 21 + 45 + 24 =
  11. 11.57 + 41 + 74 + 45 =
  12. 12.21 + 56 + 65 + 29 =
  13. 13.13 + 45 + 84 + 54 =
  14. 14.18 + 74 + 55 + 87 =
  15. 15.58 + 70 + 37 + 82 =
  16. 16.47 + 67 + 56 + 55 =
  17. 17.21 + 81 + 82 + 70 =
  18. 18.22 + 56 + 63 + 37 =
  19. 19.64 + 56 + 45 + 87 =
  20. 20.64 + 56 + 69 + 62 =
  21. 21.87 + 47 + 76 + 30 =
  22. 22.23 + 46 + 26 + 78 =
  23. 23.16 + 27 + 89 + 30 =
  24. 24.79 + 49 + 79 + 38 =
  25. 25.87 + 12 + 69 + 36 =
  26. 26.57 + 18 + 27 + 18 =
  27. 27.18 + 58 + 70 + 84 =
  28. 28.24 + 23 + 14 + 77 =
  29. 29.87 + 55 + 48 + 20 =
  30. 30.40 + 45 + 31 + 72 =
  31. 31.43 + 62 + 35 + 89 =
  32. 32.46 + 79 + 21 + 14 =
  33. 33.82 + 84 + 13 + 73 =
  34. 34.22 + 13 + 34 + 62 =
  35. 35.78 + 55 + 45 + 47 =
  36. 36.75 + 15 + 74 + 48 =
  37. 37.49 + 61 + 61 + 77 =
  38. 38.58 + 64 + 16 + 41 =
  39. 39.67 + 70 + 34 + 56 =
  40. 40.71 + 41 + 34 + 51 =

Answer key

  1. 130
  2. 247
  3. 135
  4. 190
  5. 227
  6. 235
  7. 113
  8. 174
  9. 165
  10. 136
  11. 217
  12. 171
  13. 196
  14. 234
  15. 247
  16. 225
  17. 254
  18. 178
  19. 252
  20. 251
  21. 240
  22. 173
  23. 162
  24. 245
  25. 204
  26. 120
  27. 230
  28. 138
  29. 210
  30. 188
  31. 229
  32. 160
  33. 252
  34. 131
  35. 225
  36. 212
  37. 248
  38. 179
  39. 227
  40. 197

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