← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 452 · 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. 1.66 + 41 + 59 + 52 =
  2. 2.31 + 51 + 39 + 73 =
  3. 3.13 + 74 + 81 + 25 =
  4. 4.12 + 25 + 74 + 73 =
  5. 5.54 + 11 + 23 + 52 =
  6. 6.50 + 87 + 48 + 64 =
  7. 7.76 + 59 + 87 + 77 =
  8. 8.20 + 61 + 20 + 31 =
  9. 9.20 + 86 + 17 + 32 =
  10. 10.32 + 28 + 43 + 57 =
  11. 11.62 + 13 + 53 + 67 =
  12. 12.19 + 85 + 55 + 19 =
  13. 13.58 + 14 + 78 + 60 =
  14. 14.64 + 63 + 67 + 25 =
  15. 15.57 + 83 + 45 + 50 =
  16. 16.53 + 25 + 78 + 63 =
  17. 17.81 + 17 + 82 + 70 =
  18. 18.32 + 81 + 78 + 52 =
  19. 19.29 + 73 + 52 + 23 =
  20. 20.66 + 81 + 22 + 72 =
  21. 21.39 + 44 + 29 + 26 =
  22. 22.28 + 44 + 62 + 84 =
  23. 23.86 + 23 + 23 + 51 =
  24. 24.67 + 36 + 87 + 75 =
  25. 25.53 + 77 + 42 + 66 =
  26. 26.63 + 41 + 13 + 49 =
  27. 27.11 + 60 + 20 + 41 =
  28. 28.81 + 25 + 87 + 23 =
  29. 29.72 + 75 + 48 + 64 =
  30. 30.73 + 35 + 86 + 89 =
  31. 31.34 + 77 + 11 + 40 =
  32. 32.21 + 32 + 19 + 46 =
  33. 33.33 + 11 + 49 + 52 =
  34. 34.54 + 23 + 72 + 13 =
  35. 35.36 + 37 + 64 + 77 =
  36. 36.66 + 67 + 77 + 31 =
  37. 37.56 + 54 + 66 + 88 =
  38. 38.26 + 56 + 66 + 49 =
  39. 39.56 + 52 + 19 + 86 =
  40. 40.16 + 55 + 27 + 28 =

Answer key

  1. 218
  2. 194
  3. 193
  4. 184
  5. 140
  6. 249
  7. 299
  8. 132
  9. 155
  10. 160
  11. 195
  12. 178
  13. 210
  14. 219
  15. 235
  16. 219
  17. 250
  18. 243
  19. 177
  20. 241
  21. 138
  22. 218
  23. 183
  24. 265
  25. 238
  26. 166
  27. 132
  28. 216
  29. 259
  30. 283
  31. 162
  32. 118
  33. 145
  34. 162
  35. 214
  36. 241
  37. 264
  38. 197
  39. 213
  40. 126

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