← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 503 · 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. 1.28 + 71 + 25 + 17 =
  2. 2.12 + 39 + 14 + 31 =
  3. 3.19 + 71 + 13 + 50 =
  4. 4.27 + 69 + 14 + 36 =
  5. 5.46 + 31 + 53 + 75 =
  6. 6.17 + 86 + 19 + 21 =
  7. 7.33 + 85 + 77 + 22 =
  8. 8.18 + 19 + 85 + 26 =
  9. 9.27 + 84 + 60 + 30 =
  10. 10.11 + 14 + 58 + 29 =
  11. 11.24 + 24 + 48 + 50 =
  12. 12.46 + 21 + 30 + 89 =
  13. 13.85 + 46 + 58 + 88 =
  14. 14.78 + 30 + 15 + 40 =
  15. 15.50 + 82 + 82 + 32 =
  16. 16.82 + 88 + 67 + 38 =
  17. 17.84 + 27 + 58 + 56 =
  18. 18.60 + 81 + 36 + 62 =
  19. 19.60 + 68 + 36 + 82 =
  20. 20.72 + 21 + 16 + 84 =
  21. 21.40 + 53 + 16 + 24 =
  22. 22.65 + 27 + 18 + 41 =
  23. 23.57 + 56 + 17 + 56 =
  24. 24.24 + 60 + 58 + 40 =
  25. 25.44 + 35 + 27 + 13 =
  26. 26.56 + 33 + 70 + 86 =
  27. 27.64 + 75 + 51 + 38 =
  28. 28.71 + 73 + 53 + 58 =
  29. 29.48 + 42 + 62 + 28 =
  30. 30.80 + 49 + 18 + 41 =
  31. 31.48 + 24 + 60 + 63 =
  32. 32.83 + 71 + 40 + 16 =
  33. 33.19 + 26 + 46 + 47 =
  34. 34.47 + 77 + 76 + 63 =
  35. 35.73 + 25 + 64 + 79 =
  36. 36.72 + 84 + 56 + 26 =
  37. 37.29 + 63 + 38 + 69 =
  38. 38.49 + 62 + 33 + 31 =
  39. 39.30 + 15 + 39 + 30 =
  40. 40.21 + 58 + 84 + 32 =

Answer key

  1. 141
  2. 96
  3. 153
  4. 146
  5. 205
  6. 143
  7. 217
  8. 148
  9. 201
  10. 112
  11. 146
  12. 186
  13. 277
  14. 163
  15. 246
  16. 275
  17. 225
  18. 239
  19. 246
  20. 193
  21. 133
  22. 151
  23. 186
  24. 182
  25. 119
  26. 245
  27. 228
  28. 255
  29. 180
  30. 188
  31. 195
  32. 210
  33. 138
  34. 263
  35. 241
  36. 238
  37. 199
  38. 175
  39. 114
  40. 195

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