← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 177 · 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. 1.68 + 44 + 80 + 84 =
  2. 2.55 + 61 + 89 + 36 =
  3. 3.47 + 60 + 80 + 83 =
  4. 4.35 + 75 + 29 + 44 =
  5. 5.55 + 54 + 83 + 36 =
  6. 6.36 + 14 + 57 + 84 =
  7. 7.78 + 46 + 75 + 48 =
  8. 8.29 + 44 + 42 + 68 =
  9. 9.56 + 72 + 16 + 81 =
  10. 10.75 + 75 + 87 + 60 =
  11. 11.53 + 39 + 62 + 77 =
  12. 12.57 + 89 + 26 + 81 =
  13. 13.73 + 61 + 76 + 44 =
  14. 14.39 + 64 + 67 + 20 =
  15. 15.14 + 81 + 43 + 78 =
  16. 16.63 + 38 + 70 + 29 =
  17. 17.89 + 68 + 55 + 68 =
  18. 18.64 + 60 + 27 + 51 =
  19. 19.16 + 63 + 65 + 46 =
  20. 20.71 + 61 + 23 + 25 =
  21. 21.38 + 61 + 31 + 88 =
  22. 22.62 + 89 + 84 + 59 =
  23. 23.41 + 51 + 61 + 13 =
  24. 24.14 + 53 + 58 + 69 =
  25. 25.53 + 39 + 42 + 24 =
  26. 26.66 + 23 + 51 + 74 =
  27. 27.67 + 54 + 11 + 86 =
  28. 28.50 + 49 + 16 + 67 =
  29. 29.14 + 69 + 80 + 22 =
  30. 30.68 + 16 + 27 + 19 =
  31. 31.18 + 37 + 23 + 20 =
  32. 32.23 + 43 + 43 + 18 =
  33. 33.64 + 70 + 25 + 74 =
  34. 34.35 + 67 + 44 + 67 =
  35. 35.86 + 82 + 17 + 83 =
  36. 36.64 + 71 + 69 + 46 =
  37. 37.49 + 43 + 43 + 80 =
  38. 38.23 + 58 + 12 + 58 =
  39. 39.71 + 46 + 31 + 60 =
  40. 40.59 + 27 + 57 + 28 =

Answer key

  1. 276
  2. 241
  3. 270
  4. 183
  5. 228
  6. 191
  7. 247
  8. 183
  9. 225
  10. 297
  11. 231
  12. 253
  13. 254
  14. 190
  15. 216
  16. 200
  17. 280
  18. 202
  19. 190
  20. 180
  21. 218
  22. 294
  23. 166
  24. 194
  25. 158
  26. 214
  27. 218
  28. 182
  29. 185
  30. 130
  31. 98
  32. 127
  33. 233
  34. 213
  35. 268
  36. 250
  37. 215
  38. 151
  39. 208
  40. 171

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