← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 582 · 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. 1.37 + 23 + 30 + 11 =
  2. 2.24 + 36 + 23 + 26 =
  3. 3.26 + 28 + 16 + 42 =
  4. 4.66 + 22 + 15 + 50 =
  5. 5.12 + 67 + 88 + 83 =
  6. 6.48 + 65 + 59 + 30 =
  7. 7.78 + 71 + 11 + 69 =
  8. 8.70 + 40 + 87 + 69 =
  9. 9.61 + 49 + 74 + 86 =
  10. 10.86 + 11 + 85 + 61 =
  11. 11.30 + 83 + 20 + 53 =
  12. 12.34 + 78 + 32 + 45 =
  13. 13.33 + 22 + 44 + 45 =
  14. 14.76 + 36 + 64 + 57 =
  15. 15.70 + 60 + 26 + 52 =
  16. 16.27 + 70 + 36 + 44 =
  17. 17.30 + 30 + 52 + 16 =
  18. 18.77 + 35 + 40 + 63 =
  19. 19.57 + 66 + 53 + 56 =
  20. 20.32 + 22 + 88 + 26 =
  21. 21.15 + 26 + 74 + 44 =
  22. 22.57 + 15 + 45 + 51 =
  23. 23.34 + 29 + 86 + 27 =
  24. 24.81 + 50 + 81 + 30 =
  25. 25.18 + 36 + 42 + 78 =
  26. 26.84 + 21 + 79 + 86 =
  27. 27.53 + 78 + 87 + 25 =
  28. 28.89 + 33 + 16 + 67 =
  29. 29.45 + 86 + 19 + 54 =
  30. 30.65 + 11 + 33 + 36 =
  31. 31.25 + 11 + 53 + 44 =
  32. 32.16 + 76 + 45 + 83 =
  33. 33.16 + 21 + 37 + 68 =
  34. 34.60 + 43 + 36 + 14 =
  35. 35.16 + 32 + 45 + 67 =
  36. 36.33 + 44 + 26 + 12 =
  37. 37.13 + 75 + 19 + 32 =
  38. 38.33 + 75 + 38 + 19 =
  39. 39.20 + 16 + 20 + 12 =
  40. 40.54 + 55 + 50 + 43 =

Answer key

  1. 101
  2. 109
  3. 112
  4. 153
  5. 250
  6. 202
  7. 229
  8. 266
  9. 270
  10. 243
  11. 186
  12. 189
  13. 144
  14. 233
  15. 208
  16. 177
  17. 128
  18. 215
  19. 232
  20. 168
  21. 159
  22. 168
  23. 176
  24. 242
  25. 174
  26. 270
  27. 243
  28. 205
  29. 204
  30. 145
  31. 133
  32. 220
  33. 142
  34. 153
  35. 160
  36. 115
  37. 139
  38. 165
  39. 68
  40. 202

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