← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 628 · 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. 1.17 + 66 + 20 + 69 =
  2. 2.71 + 51 + 22 + 29 =
  3. 3.80 + 33 + 27 + 34 =
  4. 4.31 + 63 + 32 + 63 =
  5. 5.52 + 23 + 78 + 49 =
  6. 6.65 + 55 + 17 + 75 =
  7. 7.21 + 60 + 59 + 71 =
  8. 8.56 + 39 + 69 + 75 =
  9. 9.88 + 69 + 28 + 75 =
  10. 10.87 + 14 + 27 + 83 =
  11. 11.39 + 47 + 24 + 88 =
  12. 12.38 + 65 + 47 + 69 =
  13. 13.72 + 21 + 33 + 64 =
  14. 14.73 + 59 + 67 + 78 =
  15. 15.17 + 70 + 12 + 25 =
  16. 16.66 + 29 + 34 + 59 =
  17. 17.84 + 38 + 57 + 48 =
  18. 18.34 + 51 + 16 + 13 =
  19. 19.65 + 38 + 66 + 66 =
  20. 20.25 + 40 + 54 + 76 =
  21. 21.58 + 87 + 74 + 76 =
  22. 22.83 + 58 + 76 + 63 =
  23. 23.88 + 20 + 48 + 80 =
  24. 24.14 + 43 + 61 + 84 =
  25. 25.40 + 88 + 34 + 84 =
  26. 26.50 + 27 + 46 + 17 =
  27. 27.34 + 63 + 63 + 57 =
  28. 28.82 + 39 + 17 + 19 =
  29. 29.71 + 45 + 83 + 13 =
  30. 30.12 + 50 + 46 + 12 =
  31. 31.22 + 11 + 80 + 54 =
  32. 32.85 + 31 + 76 + 87 =
  33. 33.28 + 32 + 55 + 36 =
  34. 34.66 + 44 + 26 + 74 =
  35. 35.73 + 66 + 70 + 76 =
  36. 36.87 + 84 + 67 + 65 =
  37. 37.59 + 36 + 59 + 27 =
  38. 38.72 + 49 + 76 + 52 =
  39. 39.63 + 86 + 72 + 81 =
  40. 40.42 + 40 + 31 + 85 =

Answer key

  1. 172
  2. 173
  3. 174
  4. 189
  5. 202
  6. 212
  7. 211
  8. 239
  9. 260
  10. 211
  11. 198
  12. 219
  13. 190
  14. 277
  15. 124
  16. 188
  17. 227
  18. 114
  19. 235
  20. 195
  21. 295
  22. 280
  23. 236
  24. 202
  25. 246
  26. 140
  27. 217
  28. 157
  29. 212
  30. 120
  31. 167
  32. 279
  33. 151
  34. 210
  35. 285
  36. 303
  37. 181
  38. 249
  39. 302
  40. 198

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