← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 370 · 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. 1.26 + 85 + 47 + 47 =
  2. 2.46 + 46 + 63 + 59 =
  3. 3.77 + 80 + 84 + 22 =
  4. 4.32 + 15 + 28 + 22 =
  5. 5.23 + 22 + 80 + 27 =
  6. 6.73 + 56 + 32 + 53 =
  7. 7.47 + 51 + 77 + 77 =
  8. 8.35 + 18 + 83 + 34 =
  9. 9.74 + 88 + 20 + 47 =
  10. 10.15 + 28 + 22 + 44 =
  11. 11.83 + 34 + 13 + 20 =
  12. 12.18 + 67 + 54 + 88 =
  13. 13.40 + 29 + 78 + 36 =
  14. 14.22 + 38 + 72 + 58 =
  15. 15.21 + 29 + 79 + 33 =
  16. 16.17 + 79 + 18 + 15 =
  17. 17.54 + 29 + 30 + 62 =
  18. 18.29 + 17 + 22 + 82 =
  19. 19.31 + 82 + 16 + 37 =
  20. 20.29 + 66 + 54 + 56 =
  21. 21.60 + 15 + 16 + 56 =
  22. 22.89 + 26 + 33 + 27 =
  23. 23.83 + 80 + 57 + 87 =
  24. 24.63 + 24 + 55 + 36 =
  25. 25.21 + 46 + 39 + 64 =
  26. 26.34 + 24 + 56 + 48 =
  27. 27.13 + 62 + 65 + 34 =
  28. 28.48 + 77 + 28 + 40 =
  29. 29.61 + 69 + 39 + 63 =
  30. 30.42 + 38 + 77 + 11 =
  31. 31.79 + 51 + 54 + 78 =
  32. 32.51 + 74 + 36 + 40 =
  33. 33.65 + 49 + 60 + 44 =
  34. 34.71 + 44 + 13 + 31 =
  35. 35.12 + 17 + 54 + 41 =
  36. 36.88 + 35 + 34 + 47 =
  37. 37.50 + 31 + 83 + 71 =
  38. 38.29 + 67 + 26 + 68 =
  39. 39.41 + 23 + 25 + 33 =
  40. 40.55 + 36 + 38 + 66 =

Answer key

  1. 205
  2. 214
  3. 263
  4. 97
  5. 152
  6. 214
  7. 252
  8. 170
  9. 229
  10. 109
  11. 150
  12. 227
  13. 183
  14. 190
  15. 162
  16. 129
  17. 175
  18. 150
  19. 166
  20. 205
  21. 147
  22. 175
  23. 307
  24. 178
  25. 170
  26. 162
  27. 174
  28. 193
  29. 232
  30. 168
  31. 262
  32. 201
  33. 218
  34. 159
  35. 124
  36. 204
  37. 235
  38. 190
  39. 122
  40. 195

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