← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 684 · 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. 1.14 + 36 + 48 + 87 =
  2. 2.14 + 26 + 53 + 18 =
  3. 3.73 + 35 + 18 + 27 =
  4. 4.77 + 77 + 55 + 42 =
  5. 5.23 + 12 + 57 + 76 =
  6. 6.62 + 43 + 48 + 58 =
  7. 7.13 + 77 + 40 + 20 =
  8. 8.19 + 70 + 73 + 64 =
  9. 9.37 + 63 + 22 + 20 =
  10. 10.42 + 86 + 24 + 87 =
  11. 11.85 + 41 + 65 + 43 =
  12. 12.84 + 25 + 36 + 31 =
  13. 13.36 + 40 + 69 + 60 =
  14. 14.82 + 22 + 14 + 45 =
  15. 15.77 + 83 + 18 + 25 =
  16. 16.58 + 24 + 19 + 29 =
  17. 17.66 + 44 + 78 + 71 =
  18. 18.35 + 74 + 65 + 49 =
  19. 19.70 + 32 + 11 + 20 =
  20. 20.39 + 17 + 48 + 86 =
  21. 21.75 + 34 + 41 + 74 =
  22. 22.44 + 28 + 55 + 81 =
  23. 23.65 + 65 + 13 + 78 =
  24. 24.47 + 46 + 17 + 55 =
  25. 25.68 + 28 + 65 + 50 =
  26. 26.79 + 71 + 56 + 19 =
  27. 27.27 + 60 + 68 + 48 =
  28. 28.18 + 14 + 31 + 48 =
  29. 29.14 + 21 + 25 + 84 =
  30. 30.24 + 59 + 21 + 78 =
  31. 31.52 + 78 + 49 + 38 =
  32. 32.27 + 20 + 32 + 74 =
  33. 33.88 + 36 + 65 + 47 =
  34. 34.64 + 59 + 65 + 33 =
  35. 35.54 + 25 + 30 + 70 =
  36. 36.12 + 84 + 33 + 58 =
  37. 37.62 + 20 + 53 + 68 =
  38. 38.27 + 88 + 39 + 53 =
  39. 39.85 + 70 + 53 + 49 =
  40. 40.50 + 30 + 29 + 29 =

Answer key

  1. 185
  2. 111
  3. 153
  4. 251
  5. 168
  6. 211
  7. 150
  8. 226
  9. 142
  10. 239
  11. 234
  12. 176
  13. 205
  14. 163
  15. 203
  16. 130
  17. 259
  18. 223
  19. 133
  20. 190
  21. 224
  22. 208
  23. 221
  24. 165
  25. 211
  26. 225
  27. 203
  28. 111
  29. 144
  30. 182
  31. 217
  32. 153
  33. 236
  34. 221
  35. 179
  36. 187
  37. 203
  38. 207
  39. 257
  40. 138

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