← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 102 · 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. 1.19 + 16 + 53 + 32 =
  2. 2.57 + 68 + 50 + 53 =
  3. 3.70 + 67 + 40 + 82 =
  4. 4.78 + 20 + 40 + 17 =
  5. 5.86 + 23 + 83 + 18 =
  6. 6.15 + 67 + 15 + 46 =
  7. 7.80 + 52 + 12 + 35 =
  8. 8.81 + 80 + 11 + 26 =
  9. 9.31 + 69 + 14 + 63 =
  10. 10.74 + 21 + 65 + 32 =
  11. 11.52 + 29 + 13 + 72 =
  12. 12.13 + 23 + 47 + 69 =
  13. 13.58 + 18 + 70 + 16 =
  14. 14.73 + 44 + 28 + 31 =
  15. 15.28 + 16 + 46 + 46 =
  16. 16.48 + 72 + 30 + 42 =
  17. 17.47 + 17 + 68 + 33 =
  18. 18.59 + 34 + 30 + 62 =
  19. 19.22 + 33 + 54 + 21 =
  20. 20.31 + 86 + 22 + 75 =
  21. 21.82 + 85 + 86 + 30 =
  22. 22.78 + 59 + 51 + 34 =
  23. 23.16 + 21 + 83 + 20 =
  24. 24.19 + 32 + 57 + 26 =
  25. 25.69 + 32 + 24 + 55 =
  26. 26.31 + 30 + 50 + 66 =
  27. 27.66 + 47 + 35 + 72 =
  28. 28.34 + 65 + 46 + 69 =
  29. 29.61 + 75 + 19 + 47 =
  30. 30.45 + 22 + 44 + 70 =
  31. 31.20 + 18 + 14 + 58 =
  32. 32.16 + 21 + 33 + 62 =
  33. 33.62 + 83 + 52 + 49 =
  34. 34.38 + 84 + 19 + 26 =
  35. 35.50 + 43 + 13 + 51 =
  36. 36.80 + 69 + 19 + 17 =
  37. 37.72 + 86 + 28 + 41 =
  38. 38.88 + 50 + 26 + 49 =
  39. 39.87 + 32 + 89 + 77 =
  40. 40.72 + 20 + 18 + 77 =

Answer key

  1. 120
  2. 228
  3. 259
  4. 155
  5. 210
  6. 143
  7. 179
  8. 198
  9. 177
  10. 192
  11. 166
  12. 152
  13. 162
  14. 176
  15. 136
  16. 192
  17. 165
  18. 185
  19. 130
  20. 214
  21. 283
  22. 222
  23. 140
  24. 134
  25. 180
  26. 177
  27. 220
  28. 214
  29. 202
  30. 181
  31. 110
  32. 132
  33. 246
  34. 167
  35. 157
  36. 185
  37. 227
  38. 213
  39. 285
  40. 187

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