← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 14 · 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. 1.30 + 55 + 49 + 40 =
  2. 2.11 + 88 + 30 + 79 =
  3. 3.64 + 38 + 24 + 52 =
  4. 4.26 + 36 + 12 + 27 =
  5. 5.34 + 25 + 16 + 57 =
  6. 6.50 + 65 + 26 + 64 =
  7. 7.27 + 67 + 53 + 31 =
  8. 8.37 + 81 + 47 + 65 =
  9. 9.57 + 53 + 44 + 53 =
  10. 10.82 + 85 + 65 + 28 =
  11. 11.77 + 16 + 62 + 31 =
  12. 12.44 + 34 + 20 + 89 =
  13. 13.87 + 49 + 78 + 65 =
  14. 14.50 + 76 + 25 + 44 =
  15. 15.45 + 26 + 52 + 64 =
  16. 16.58 + 89 + 22 + 15 =
  17. 17.83 + 80 + 58 + 61 =
  18. 18.69 + 37 + 25 + 36 =
  19. 19.56 + 20 + 26 + 71 =
  20. 20.84 + 76 + 28 + 87 =
  21. 21.82 + 32 + 65 + 50 =
  22. 22.26 + 49 + 70 + 24 =
  23. 23.76 + 13 + 66 + 82 =
  24. 24.61 + 60 + 85 + 60 =
  25. 25.46 + 53 + 25 + 31 =
  26. 26.35 + 62 + 12 + 82 =
  27. 27.80 + 32 + 85 + 16 =
  28. 28.35 + 64 + 73 + 18 =
  29. 29.34 + 21 + 55 + 89 =
  30. 30.75 + 59 + 14 + 82 =
  31. 31.16 + 15 + 27 + 36 =
  32. 32.28 + 38 + 15 + 74 =
  33. 33.70 + 76 + 18 + 68 =
  34. 34.17 + 88 + 43 + 56 =
  35. 35.72 + 12 + 39 + 69 =
  36. 36.22 + 86 + 49 + 88 =
  37. 37.63 + 87 + 45 + 74 =
  38. 38.88 + 51 + 71 + 41 =
  39. 39.18 + 28 + 49 + 27 =
  40. 40.19 + 78 + 87 + 41 =

Answer key

  1. 174
  2. 208
  3. 178
  4. 101
  5. 132
  6. 205
  7. 178
  8. 230
  9. 207
  10. 260
  11. 186
  12. 187
  13. 279
  14. 195
  15. 187
  16. 184
  17. 282
  18. 167
  19. 173
  20. 275
  21. 229
  22. 169
  23. 237
  24. 266
  25. 155
  26. 191
  27. 213
  28. 190
  29. 199
  30. 230
  31. 94
  32. 155
  33. 232
  34. 204
  35. 192
  36. 245
  37. 269
  38. 251
  39. 122
  40. 225

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