← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 358 · 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. 1.85 + 49 + 56 + 32 =
  2. 2.22 + 80 + 28 + 19 =
  3. 3.53 + 50 + 83 + 55 =
  4. 4.20 + 14 + 82 + 13 =
  5. 5.51 + 31 + 44 + 55 =
  6. 6.36 + 46 + 21 + 35 =
  7. 7.17 + 26 + 31 + 51 =
  8. 8.30 + 67 + 33 + 36 =
  9. 9.31 + 20 + 17 + 78 =
  10. 10.22 + 60 + 37 + 74 =
  11. 11.59 + 58 + 46 + 70 =
  12. 12.31 + 20 + 54 + 77 =
  13. 13.76 + 52 + 72 + 34 =
  14. 14.75 + 30 + 74 + 42 =
  15. 15.49 + 83 + 11 + 83 =
  16. 16.24 + 45 + 60 + 69 =
  17. 17.19 + 16 + 79 + 43 =
  18. 18.65 + 43 + 15 + 50 =
  19. 19.48 + 24 + 65 + 54 =
  20. 20.33 + 34 + 20 + 35 =
  21. 21.21 + 14 + 41 + 48 =
  22. 22.24 + 73 + 42 + 66 =
  23. 23.75 + 74 + 17 + 31 =
  24. 24.52 + 63 + 51 + 37 =
  25. 25.68 + 11 + 82 + 70 =
  26. 26.11 + 36 + 69 + 22 =
  27. 27.18 + 29 + 28 + 72 =
  28. 28.53 + 85 + 24 + 55 =
  29. 29.48 + 78 + 20 + 15 =
  30. 30.70 + 29 + 19 + 13 =
  31. 31.79 + 20 + 48 + 70 =
  32. 32.65 + 17 + 76 + 29 =
  33. 33.72 + 49 + 84 + 52 =
  34. 34.66 + 81 + 86 + 68 =
  35. 35.16 + 81 + 50 + 62 =
  36. 36.29 + 55 + 46 + 46 =
  37. 37.52 + 86 + 29 + 71 =
  38. 38.71 + 56 + 52 + 16 =
  39. 39.33 + 59 + 78 + 88 =
  40. 40.60 + 89 + 62 + 86 =

Answer key

  1. 222
  2. 149
  3. 241
  4. 129
  5. 181
  6. 138
  7. 125
  8. 166
  9. 146
  10. 193
  11. 233
  12. 182
  13. 234
  14. 221
  15. 226
  16. 198
  17. 157
  18. 173
  19. 191
  20. 122
  21. 124
  22. 205
  23. 197
  24. 203
  25. 231
  26. 138
  27. 147
  28. 217
  29. 161
  30. 131
  31. 217
  32. 187
  33. 257
  34. 301
  35. 209
  36. 176
  37. 238
  38. 195
  39. 258
  40. 297

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