← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 801 · 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. 1.19 + 75 + 35 + 19 =
  2. 2.15 + 23 + 33 + 16 =
  3. 3.54 + 13 + 20 + 74 =
  4. 4.74 + 16 + 76 + 65 =
  5. 5.73 + 29 + 55 + 86 =
  6. 6.58 + 13 + 64 + 89 =
  7. 7.65 + 58 + 23 + 80 =
  8. 8.75 + 19 + 45 + 40 =
  9. 9.42 + 43 + 11 + 60 =
  10. 10.26 + 42 + 17 + 30 =
  11. 11.84 + 48 + 84 + 36 =
  12. 12.85 + 25 + 89 + 48 =
  13. 13.17 + 47 + 15 + 26 =
  14. 14.64 + 87 + 22 + 53 =
  15. 15.87 + 15 + 32 + 84 =
  16. 16.17 + 18 + 56 + 83 =
  17. 17.53 + 26 + 83 + 77 =
  18. 18.56 + 82 + 52 + 17 =
  19. 19.53 + 77 + 57 + 30 =
  20. 20.75 + 16 + 30 + 27 =
  21. 21.61 + 36 + 66 + 75 =
  22. 22.16 + 12 + 85 + 12 =
  23. 23.22 + 48 + 16 + 50 =
  24. 24.54 + 19 + 83 + 76 =
  25. 25.39 + 48 + 14 + 64 =
  26. 26.40 + 45 + 31 + 34 =
  27. 27.27 + 33 + 26 + 22 =
  28. 28.89 + 82 + 30 + 41 =
  29. 29.14 + 62 + 34 + 72 =
  30. 30.77 + 16 + 66 + 43 =
  31. 31.29 + 32 + 57 + 19 =
  32. 32.24 + 30 + 34 + 31 =
  33. 33.88 + 47 + 68 + 74 =
  34. 34.33 + 19 + 47 + 31 =
  35. 35.22 + 27 + 64 + 66 =
  36. 36.44 + 67 + 33 + 31 =
  37. 37.50 + 83 + 12 + 59 =
  38. 38.66 + 27 + 19 + 23 =
  39. 39.62 + 63 + 84 + 11 =
  40. 40.70 + 80 + 49 + 89 =

Answer key

  1. 148
  2. 87
  3. 161
  4. 231
  5. 243
  6. 224
  7. 226
  8. 179
  9. 156
  10. 115
  11. 252
  12. 247
  13. 105
  14. 226
  15. 218
  16. 174
  17. 239
  18. 207
  19. 217
  20. 148
  21. 238
  22. 125
  23. 136
  24. 232
  25. 165
  26. 150
  27. 108
  28. 242
  29. 182
  30. 202
  31. 137
  32. 119
  33. 277
  34. 130
  35. 179
  36. 175
  37. 204
  38. 135
  39. 220
  40. 288

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