← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 782 · 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. 1.88 + 62 + 34 + 49 =
  2. 2.15 + 37 + 41 + 40 =
  3. 3.81 + 61 + 34 + 80 =
  4. 4.77 + 76 + 43 + 13 =
  5. 5.30 + 20 + 72 + 42 =
  6. 6.68 + 63 + 66 + 29 =
  7. 7.41 + 84 + 20 + 83 =
  8. 8.57 + 23 + 76 + 36 =
  9. 9.11 + 73 + 29 + 18 =
  10. 10.50 + 20 + 29 + 87 =
  11. 11.34 + 88 + 43 + 11 =
  12. 12.79 + 25 + 64 + 65 =
  13. 13.48 + 68 + 22 + 49 =
  14. 14.49 + 89 + 70 + 21 =
  15. 15.82 + 27 + 75 + 28 =
  16. 16.12 + 22 + 32 + 17 =
  17. 17.20 + 12 + 87 + 58 =
  18. 18.58 + 28 + 74 + 36 =
  19. 19.56 + 82 + 65 + 19 =
  20. 20.45 + 41 + 50 + 64 =
  21. 21.55 + 84 + 78 + 88 =
  22. 22.22 + 40 + 42 + 29 =
  23. 23.43 + 11 + 47 + 14 =
  24. 24.76 + 55 + 62 + 29 =
  25. 25.57 + 74 + 56 + 59 =
  26. 26.69 + 60 + 30 + 14 =
  27. 27.26 + 30 + 61 + 25 =
  28. 28.85 + 25 + 17 + 16 =
  29. 29.81 + 25 + 79 + 27 =
  30. 30.65 + 32 + 55 + 83 =
  31. 31.14 + 25 + 49 + 23 =
  32. 32.49 + 23 + 86 + 13 =
  33. 33.87 + 74 + 56 + 45 =
  34. 34.57 + 18 + 65 + 13 =
  35. 35.28 + 28 + 89 + 43 =
  36. 36.29 + 80 + 27 + 53 =
  37. 37.75 + 50 + 71 + 31 =
  38. 38.46 + 12 + 20 + 51 =
  39. 39.76 + 40 + 12 + 40 =
  40. 40.16 + 88 + 70 + 21 =

Answer key

  1. 233
  2. 133
  3. 256
  4. 209
  5. 164
  6. 226
  7. 228
  8. 192
  9. 131
  10. 186
  11. 176
  12. 233
  13. 187
  14. 229
  15. 212
  16. 83
  17. 177
  18. 196
  19. 222
  20. 200
  21. 305
  22. 133
  23. 115
  24. 222
  25. 246
  26. 173
  27. 142
  28. 143
  29. 212
  30. 235
  31. 111
  32. 171
  33. 262
  34. 153
  35. 188
  36. 189
  37. 227
  38. 129
  39. 168
  40. 195

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