← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 222 · 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. 1.19 + 24 + 14 + 77 =
  2. 2.74 + 82 + 42 + 34 =
  3. 3.83 + 67 + 23 + 63 =
  4. 4.17 + 64 + 23 + 35 =
  5. 5.66 + 44 + 83 + 75 =
  6. 6.30 + 40 + 77 + 51 =
  7. 7.74 + 25 + 74 + 64 =
  8. 8.14 + 88 + 57 + 48 =
  9. 9.73 + 68 + 40 + 84 =
  10. 10.58 + 37 + 74 + 74 =
  11. 11.24 + 80 + 23 + 60 =
  12. 12.64 + 31 + 39 + 17 =
  13. 13.40 + 44 + 25 + 61 =
  14. 14.43 + 21 + 29 + 28 =
  15. 15.19 + 58 + 12 + 65 =
  16. 16.20 + 68 + 66 + 30 =
  17. 17.65 + 84 + 74 + 75 =
  18. 18.46 + 88 + 28 + 61 =
  19. 19.24 + 73 + 15 + 36 =
  20. 20.82 + 17 + 66 + 66 =
  21. 21.44 + 27 + 26 + 79 =
  22. 22.81 + 41 + 65 + 18 =
  23. 23.78 + 86 + 83 + 17 =
  24. 24.25 + 30 + 17 + 64 =
  25. 25.61 + 12 + 19 + 78 =
  26. 26.84 + 27 + 87 + 24 =
  27. 27.22 + 37 + 38 + 84 =
  28. 28.18 + 79 + 38 + 80 =
  29. 29.30 + 51 + 27 + 41 =
  30. 30.89 + 20 + 85 + 16 =
  31. 31.42 + 13 + 69 + 89 =
  32. 32.20 + 49 + 21 + 27 =
  33. 33.22 + 50 + 24 + 75 =
  34. 34.16 + 51 + 89 + 38 =
  35. 35.12 + 24 + 38 + 18 =
  36. 36.62 + 83 + 45 + 60 =
  37. 37.34 + 41 + 76 + 27 =
  38. 38.84 + 89 + 59 + 37 =
  39. 39.36 + 70 + 41 + 66 =
  40. 40.51 + 89 + 34 + 61 =

Answer key

  1. 134
  2. 232
  3. 236
  4. 139
  5. 268
  6. 198
  7. 237
  8. 207
  9. 265
  10. 243
  11. 187
  12. 151
  13. 170
  14. 121
  15. 154
  16. 184
  17. 298
  18. 223
  19. 148
  20. 231
  21. 176
  22. 205
  23. 264
  24. 136
  25. 170
  26. 222
  27. 181
  28. 215
  29. 149
  30. 210
  31. 213
  32. 117
  33. 171
  34. 194
  35. 92
  36. 250
  37. 178
  38. 269
  39. 213
  40. 235

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