← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 758 · 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. 1.53 + 60 + 50 + 32 =
  2. 2.78 + 47 + 79 + 34 =
  3. 3.24 + 21 + 12 + 22 =
  4. 4.86 + 74 + 44 + 44 =
  5. 5.70 + 89 + 69 + 22 =
  6. 6.46 + 32 + 52 + 78 =
  7. 7.30 + 83 + 18 + 20 =
  8. 8.63 + 72 + 57 + 30 =
  9. 9.38 + 14 + 22 + 54 =
  10. 10.77 + 14 + 48 + 14 =
  11. 11.82 + 76 + 56 + 62 =
  12. 12.54 + 12 + 83 + 24 =
  13. 13.42 + 62 + 77 + 68 =
  14. 14.75 + 49 + 57 + 14 =
  15. 15.37 + 20 + 17 + 32 =
  16. 16.47 + 16 + 11 + 30 =
  17. 17.33 + 28 + 33 + 63 =
  18. 18.55 + 66 + 61 + 33 =
  19. 19.79 + 47 + 40 + 49 =
  20. 20.71 + 64 + 78 + 74 =
  21. 21.76 + 77 + 76 + 38 =
  22. 22.65 + 25 + 61 + 24 =
  23. 23.64 + 34 + 49 + 14 =
  24. 24.62 + 33 + 62 + 57 =
  25. 25.31 + 64 + 34 + 29 =
  26. 26.69 + 21 + 30 + 20 =
  27. 27.67 + 71 + 41 + 56 =
  28. 28.16 + 42 + 40 + 74 =
  29. 29.25 + 79 + 25 + 42 =
  30. 30.81 + 71 + 48 + 19 =
  31. 31.87 + 21 + 65 + 51 =
  32. 32.39 + 37 + 40 + 27 =
  33. 33.78 + 34 + 51 + 26 =
  34. 34.48 + 18 + 33 + 46 =
  35. 35.39 + 71 + 74 + 26 =
  36. 36.44 + 88 + 29 + 85 =
  37. 37.11 + 30 + 20 + 24 =
  38. 38.77 + 17 + 64 + 63 =
  39. 39.58 + 76 + 78 + 27 =
  40. 40.89 + 22 + 38 + 54 =

Answer key

  1. 195
  2. 238
  3. 79
  4. 248
  5. 250
  6. 208
  7. 151
  8. 222
  9. 128
  10. 153
  11. 276
  12. 173
  13. 249
  14. 195
  15. 106
  16. 104
  17. 157
  18. 215
  19. 215
  20. 287
  21. 267
  22. 175
  23. 161
  24. 214
  25. 158
  26. 140
  27. 235
  28. 172
  29. 171
  30. 219
  31. 224
  32. 143
  33. 189
  34. 145
  35. 210
  36. 246
  37. 85
  38. 221
  39. 239
  40. 203

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