← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 119 · 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. 1.49 + 12 + 30 + 48 =
  2. 2.27 + 38 + 85 + 24 =
  3. 3.79 + 32 + 27 + 68 =
  4. 4.19 + 79 + 78 + 18 =
  5. 5.43 + 35 + 66 + 85 =
  6. 6.55 + 33 + 76 + 50 =
  7. 7.58 + 72 + 79 + 74 =
  8. 8.72 + 66 + 44 + 21 =
  9. 9.22 + 32 + 12 + 74 =
  10. 10.71 + 44 + 62 + 66 =
  11. 11.58 + 36 + 73 + 55 =
  12. 12.65 + 28 + 36 + 32 =
  13. 13.50 + 48 + 61 + 83 =
  14. 14.76 + 51 + 31 + 15 =
  15. 15.71 + 46 + 48 + 30 =
  16. 16.57 + 48 + 80 + 67 =
  17. 17.28 + 11 + 22 + 30 =
  18. 18.42 + 78 + 57 + 34 =
  19. 19.27 + 50 + 64 + 27 =
  20. 20.19 + 38 + 28 + 79 =
  21. 21.46 + 56 + 46 + 71 =
  22. 22.32 + 30 + 20 + 13 =
  23. 23.85 + 60 + 31 + 32 =
  24. 24.68 + 71 + 13 + 51 =
  25. 25.77 + 86 + 75 + 43 =
  26. 26.81 + 84 + 49 + 85 =
  27. 27.63 + 65 + 64 + 61 =
  28. 28.14 + 42 + 36 + 18 =
  29. 29.16 + 25 + 44 + 64 =
  30. 30.23 + 13 + 77 + 89 =
  31. 31.31 + 85 + 77 + 51 =
  32. 32.20 + 86 + 68 + 24 =
  33. 33.41 + 63 + 45 + 65 =
  34. 34.36 + 77 + 26 + 70 =
  35. 35.88 + 67 + 37 + 11 =
  36. 36.61 + 45 + 46 + 50 =
  37. 37.19 + 52 + 44 + 21 =
  38. 38.46 + 81 + 66 + 54 =
  39. 39.13 + 67 + 42 + 36 =
  40. 40.87 + 18 + 52 + 75 =

Answer key

  1. 139
  2. 174
  3. 206
  4. 194
  5. 229
  6. 214
  7. 283
  8. 203
  9. 140
  10. 243
  11. 222
  12. 161
  13. 242
  14. 173
  15. 195
  16. 252
  17. 91
  18. 211
  19. 168
  20. 164
  21. 219
  22. 95
  23. 208
  24. 203
  25. 281
  26. 299
  27. 253
  28. 110
  29. 149
  30. 202
  31. 244
  32. 198
  33. 214
  34. 209
  35. 203
  36. 202
  37. 136
  38. 247
  39. 158
  40. 232

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