← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 683 · 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. 1.82 + 58 + 43 + 43 =
  2. 2.37 + 66 + 40 + 72 =
  3. 3.51 + 79 + 75 + 62 =
  4. 4.70 + 61 + 27 + 49 =
  5. 5.79 + 88 + 89 + 60 =
  6. 6.81 + 40 + 17 + 79 =
  7. 7.76 + 42 + 44 + 17 =
  8. 8.33 + 49 + 12 + 51 =
  9. 9.18 + 85 + 17 + 49 =
  10. 10.28 + 70 + 14 + 29 =
  11. 11.68 + 44 + 56 + 85 =
  12. 12.48 + 48 + 23 + 13 =
  13. 13.44 + 49 + 63 + 64 =
  14. 14.44 + 71 + 23 + 67 =
  15. 15.18 + 60 + 59 + 13 =
  16. 16.34 + 53 + 89 + 41 =
  17. 17.68 + 83 + 59 + 57 =
  18. 18.35 + 21 + 20 + 78 =
  19. 19.37 + 65 + 78 + 26 =
  20. 20.71 + 45 + 39 + 28 =
  21. 21.22 + 20 + 81 + 35 =
  22. 22.64 + 30 + 21 + 58 =
  23. 23.72 + 38 + 18 + 29 =
  24. 24.43 + 83 + 32 + 74 =
  25. 25.62 + 31 + 87 + 29 =
  26. 26.88 + 65 + 28 + 24 =
  27. 27.32 + 40 + 86 + 80 =
  28. 28.16 + 70 + 48 + 72 =
  29. 29.36 + 43 + 47 + 27 =
  30. 30.88 + 30 + 46 + 77 =
  31. 31.72 + 32 + 63 + 28 =
  32. 32.38 + 85 + 73 + 87 =
  33. 33.23 + 56 + 27 + 14 =
  34. 34.65 + 44 + 45 + 72 =
  35. 35.20 + 87 + 66 + 72 =
  36. 36.19 + 56 + 13 + 87 =
  37. 37.33 + 23 + 89 + 33 =
  38. 38.25 + 48 + 24 + 12 =
  39. 39.24 + 27 + 83 + 30 =
  40. 40.73 + 32 + 40 + 15 =

Answer key

  1. 226
  2. 215
  3. 267
  4. 207
  5. 316
  6. 217
  7. 179
  8. 145
  9. 169
  10. 141
  11. 253
  12. 132
  13. 220
  14. 205
  15. 150
  16. 217
  17. 267
  18. 154
  19. 206
  20. 183
  21. 158
  22. 173
  23. 157
  24. 232
  25. 209
  26. 205
  27. 238
  28. 206
  29. 153
  30. 241
  31. 195
  32. 283
  33. 120
  34. 226
  35. 245
  36. 175
  37. 178
  38. 109
  39. 164
  40. 160

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