← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 855 · 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. 1.22 + 59 + 71 + 53 =
  2. 2.64 + 84 + 17 + 70 =
  3. 3.28 + 31 + 16 + 31 =
  4. 4.38 + 70 + 21 + 17 =
  5. 5.83 + 32 + 26 + 47 =
  6. 6.30 + 54 + 73 + 38 =
  7. 7.16 + 60 + 86 + 23 =
  8. 8.84 + 14 + 47 + 72 =
  9. 9.51 + 37 + 79 + 57 =
  10. 10.51 + 32 + 34 + 82 =
  11. 11.30 + 80 + 43 + 55 =
  12. 12.40 + 39 + 42 + 69 =
  13. 13.48 + 68 + 29 + 19 =
  14. 14.53 + 25 + 84 + 56 =
  15. 15.47 + 65 + 32 + 86 =
  16. 16.51 + 78 + 30 + 15 =
  17. 17.11 + 86 + 29 + 12 =
  18. 18.45 + 55 + 86 + 40 =
  19. 19.23 + 89 + 12 + 34 =
  20. 20.81 + 59 + 87 + 45 =
  21. 21.16 + 33 + 40 + 85 =
  22. 22.73 + 22 + 46 + 55 =
  23. 23.28 + 88 + 47 + 28 =
  24. 24.82 + 20 + 40 + 33 =
  25. 25.87 + 28 + 60 + 58 =
  26. 26.11 + 50 + 27 + 78 =
  27. 27.22 + 85 + 25 + 73 =
  28. 28.53 + 69 + 22 + 29 =
  29. 29.19 + 61 + 22 + 79 =
  30. 30.38 + 53 + 66 + 59 =
  31. 31.56 + 19 + 64 + 59 =
  32. 32.83 + 40 + 14 + 29 =
  33. 33.37 + 82 + 44 + 84 =
  34. 34.48 + 77 + 11 + 53 =
  35. 35.21 + 81 + 70 + 63 =
  36. 36.52 + 31 + 28 + 49 =
  37. 37.29 + 21 + 27 + 58 =
  38. 38.51 + 84 + 68 + 19 =
  39. 39.68 + 51 + 11 + 76 =
  40. 40.67 + 15 + 43 + 72 =

Answer key

  1. 205
  2. 235
  3. 106
  4. 146
  5. 188
  6. 195
  7. 185
  8. 217
  9. 224
  10. 199
  11. 208
  12. 190
  13. 164
  14. 218
  15. 230
  16. 174
  17. 138
  18. 226
  19. 158
  20. 272
  21. 174
  22. 196
  23. 191
  24. 175
  25. 233
  26. 166
  27. 205
  28. 173
  29. 181
  30. 216
  31. 198
  32. 166
  33. 247
  34. 189
  35. 235
  36. 160
  37. 135
  38. 222
  39. 206
  40. 197

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