← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 513 · 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. 1.23 + 17 + 36 + 20 =
  2. 2.84 + 40 + 70 + 29 =
  3. 3.26 + 80 + 41 + 79 =
  4. 4.42 + 74 + 79 + 78 =
  5. 5.28 + 21 + 22 + 14 =
  6. 6.50 + 40 + 46 + 82 =
  7. 7.27 + 32 + 39 + 70 =
  8. 8.75 + 44 + 17 + 19 =
  9. 9.76 + 43 + 19 + 68 =
  10. 10.49 + 65 + 26 + 42 =
  11. 11.70 + 64 + 80 + 49 =
  12. 12.24 + 53 + 61 + 24 =
  13. 13.44 + 40 + 44 + 60 =
  14. 14.58 + 27 + 63 + 25 =
  15. 15.84 + 52 + 57 + 27 =
  16. 16.33 + 29 + 85 + 28 =
  17. 17.54 + 57 + 15 + 18 =
  18. 18.64 + 33 + 65 + 26 =
  19. 19.83 + 63 + 25 + 35 =
  20. 20.70 + 41 + 55 + 28 =
  21. 21.62 + 74 + 54 + 45 =
  22. 22.43 + 53 + 45 + 50 =
  23. 23.31 + 12 + 86 + 52 =
  24. 24.68 + 18 + 38 + 28 =
  25. 25.46 + 51 + 31 + 19 =
  26. 26.49 + 52 + 30 + 13 =
  27. 27.67 + 78 + 48 + 77 =
  28. 28.53 + 84 + 38 + 74 =
  29. 29.63 + 65 + 58 + 30 =
  30. 30.36 + 86 + 49 + 25 =
  31. 31.39 + 72 + 82 + 52 =
  32. 32.81 + 75 + 35 + 19 =
  33. 33.15 + 13 + 21 + 18 =
  34. 34.70 + 75 + 32 + 14 =
  35. 35.58 + 43 + 77 + 15 =
  36. 36.85 + 87 + 19 + 77 =
  37. 37.56 + 61 + 83 + 76 =
  38. 38.27 + 89 + 19 + 16 =
  39. 39.12 + 83 + 50 + 55 =
  40. 40.56 + 18 + 77 + 63 =

Answer key

  1. 96
  2. 223
  3. 226
  4. 273
  5. 85
  6. 218
  7. 168
  8. 155
  9. 206
  10. 182
  11. 263
  12. 162
  13. 188
  14. 173
  15. 220
  16. 175
  17. 144
  18. 188
  19. 206
  20. 194
  21. 235
  22. 191
  23. 181
  24. 152
  25. 147
  26. 144
  27. 270
  28. 249
  29. 216
  30. 196
  31. 245
  32. 210
  33. 67
  34. 191
  35. 193
  36. 268
  37. 276
  38. 151
  39. 200
  40. 214

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