← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 190 · 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. 1.15 + 65 + 67 + 74 =
  2. 2.88 + 86 + 20 + 29 =
  3. 3.11 + 53 + 31 + 73 =
  4. 4.55 + 18 + 78 + 35 =
  5. 5.87 + 82 + 46 + 32 =
  6. 6.89 + 56 + 42 + 86 =
  7. 7.14 + 55 + 73 + 24 =
  8. 8.23 + 59 + 61 + 74 =
  9. 9.59 + 80 + 16 + 65 =
  10. 10.57 + 89 + 29 + 79 =
  11. 11.36 + 76 + 12 + 25 =
  12. 12.74 + 73 + 37 + 61 =
  13. 13.35 + 37 + 41 + 11 =
  14. 14.43 + 76 + 28 + 71 =
  15. 15.55 + 28 + 46 + 49 =
  16. 16.54 + 34 + 15 + 51 =
  17. 17.55 + 17 + 46 + 44 =
  18. 18.13 + 89 + 20 + 76 =
  19. 19.21 + 53 + 69 + 48 =
  20. 20.11 + 15 + 83 + 33 =
  21. 21.45 + 80 + 65 + 82 =
  22. 22.30 + 47 + 33 + 68 =
  23. 23.86 + 28 + 21 + 53 =
  24. 24.38 + 47 + 33 + 49 =
  25. 25.60 + 83 + 63 + 56 =
  26. 26.57 + 86 + 65 + 28 =
  27. 27.37 + 31 + 82 + 80 =
  28. 28.89 + 33 + 20 + 46 =
  29. 29.83 + 27 + 75 + 19 =
  30. 30.74 + 54 + 22 + 19 =
  31. 31.38 + 79 + 64 + 14 =
  32. 32.45 + 14 + 17 + 86 =
  33. 33.24 + 81 + 36 + 76 =
  34. 34.87 + 16 + 86 + 43 =
  35. 35.60 + 24 + 55 + 74 =
  36. 36.80 + 33 + 31 + 15 =
  37. 37.81 + 51 + 28 + 39 =
  38. 38.83 + 61 + 68 + 28 =
  39. 39.82 + 34 + 63 + 29 =
  40. 40.49 + 29 + 25 + 74 =

Answer key

  1. 221
  2. 223
  3. 168
  4. 186
  5. 247
  6. 273
  7. 166
  8. 217
  9. 220
  10. 254
  11. 149
  12. 245
  13. 124
  14. 218
  15. 178
  16. 154
  17. 162
  18. 198
  19. 191
  20. 142
  21. 272
  22. 178
  23. 188
  24. 167
  25. 262
  26. 236
  27. 230
  28. 188
  29. 204
  30. 169
  31. 195
  32. 162
  33. 217
  34. 232
  35. 213
  36. 159
  37. 199
  38. 240
  39. 208
  40. 177

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