← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 69 · 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. 1.35 + 26 + 14 + 32 =
  2. 2.80 + 16 + 32 + 44 =
  3. 3.24 + 84 + 39 + 33 =
  4. 4.63 + 27 + 79 + 59 =
  5. 5.48 + 20 + 64 + 70 =
  6. 6.46 + 76 + 86 + 16 =
  7. 7.80 + 56 + 88 + 43 =
  8. 8.54 + 12 + 69 + 25 =
  9. 9.31 + 68 + 23 + 11 =
  10. 10.54 + 30 + 53 + 77 =
  11. 11.74 + 28 + 39 + 32 =
  12. 12.28 + 27 + 86 + 17 =
  13. 13.72 + 27 + 49 + 19 =
  14. 14.30 + 41 + 60 + 39 =
  15. 15.42 + 51 + 58 + 79 =
  16. 16.37 + 66 + 56 + 56 =
  17. 17.76 + 13 + 16 + 31 =
  18. 18.89 + 20 + 70 + 86 =
  19. 19.64 + 74 + 17 + 27 =
  20. 20.65 + 37 + 88 + 46 =
  21. 21.63 + 38 + 59 + 29 =
  22. 22.43 + 29 + 83 + 26 =
  23. 23.89 + 34 + 77 + 54 =
  24. 24.61 + 67 + 25 + 61 =
  25. 25.40 + 45 + 38 + 18 =
  26. 26.40 + 78 + 64 + 27 =
  27. 27.65 + 80 + 57 + 88 =
  28. 28.66 + 81 + 37 + 16 =
  29. 29.17 + 73 + 73 + 27 =
  30. 30.83 + 67 + 73 + 43 =
  31. 31.82 + 67 + 15 + 73 =
  32. 32.61 + 41 + 45 + 88 =
  33. 33.75 + 15 + 53 + 39 =
  34. 34.68 + 16 + 14 + 27 =
  35. 35.79 + 16 + 40 + 30 =
  36. 36.37 + 68 + 32 + 69 =
  37. 37.27 + 11 + 84 + 35 =
  38. 38.15 + 35 + 39 + 45 =
  39. 39.24 + 25 + 55 + 86 =
  40. 40.18 + 41 + 39 + 56 =

Answer key

  1. 107
  2. 172
  3. 180
  4. 228
  5. 202
  6. 224
  7. 267
  8. 160
  9. 133
  10. 214
  11. 173
  12. 158
  13. 167
  14. 170
  15. 230
  16. 215
  17. 136
  18. 265
  19. 182
  20. 236
  21. 189
  22. 181
  23. 254
  24. 214
  25. 141
  26. 209
  27. 290
  28. 200
  29. 190
  30. 266
  31. 237
  32. 235
  33. 182
  34. 125
  35. 165
  36. 206
  37. 157
  38. 134
  39. 190
  40. 154

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