← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 377 · 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. 1.29 + 57 + 60 + 86 =
  2. 2.87 + 71 + 35 + 73 =
  3. 3.13 + 82 + 60 + 87 =
  4. 4.77 + 15 + 34 + 79 =
  5. 5.34 + 12 + 76 + 49 =
  6. 6.30 + 48 + 34 + 78 =
  7. 7.27 + 23 + 73 + 72 =
  8. 8.12 + 15 + 71 + 14 =
  9. 9.47 + 70 + 57 + 53 =
  10. 10.27 + 87 + 54 + 25 =
  11. 11.85 + 40 + 76 + 28 =
  12. 12.16 + 70 + 72 + 78 =
  13. 13.20 + 13 + 11 + 86 =
  14. 14.23 + 13 + 15 + 30 =
  15. 15.52 + 23 + 19 + 22 =
  16. 16.46 + 28 + 80 + 28 =
  17. 17.33 + 49 + 40 + 87 =
  18. 18.55 + 19 + 53 + 69 =
  19. 19.49 + 46 + 33 + 16 =
  20. 20.30 + 57 + 36 + 15 =
  21. 21.82 + 82 + 62 + 33 =
  22. 22.70 + 89 + 73 + 58 =
  23. 23.23 + 37 + 64 + 76 =
  24. 24.28 + 78 + 21 + 20 =
  25. 25.85 + 57 + 82 + 52 =
  26. 26.25 + 51 + 22 + 87 =
  27. 27.35 + 63 + 78 + 50 =
  28. 28.47 + 59 + 12 + 17 =
  29. 29.17 + 11 + 65 + 62 =
  30. 30.19 + 55 + 41 + 85 =
  31. 31.86 + 62 + 84 + 23 =
  32. 32.56 + 78 + 36 + 35 =
  33. 33.89 + 67 + 61 + 49 =
  34. 34.20 + 44 + 14 + 72 =
  35. 35.53 + 86 + 35 + 87 =
  36. 36.56 + 35 + 23 + 46 =
  37. 37.14 + 62 + 70 + 29 =
  38. 38.16 + 51 + 27 + 67 =
  39. 39.27 + 15 + 35 + 27 =
  40. 40.55 + 20 + 74 + 52 =

Answer key

  1. 232
  2. 266
  3. 242
  4. 205
  5. 171
  6. 190
  7. 195
  8. 112
  9. 227
  10. 193
  11. 229
  12. 236
  13. 130
  14. 81
  15. 116
  16. 182
  17. 209
  18. 196
  19. 144
  20. 138
  21. 259
  22. 290
  23. 200
  24. 147
  25. 276
  26. 185
  27. 226
  28. 135
  29. 155
  30. 200
  31. 255
  32. 205
  33. 266
  34. 150
  35. 261
  36. 160
  37. 175
  38. 161
  39. 104
  40. 201

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