← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 932 · 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. 1.82 + 25 + 88 + 74 =
  2. 2.13 + 59 + 36 + 63 =
  3. 3.40 + 13 + 43 + 83 =
  4. 4.36 + 80 + 81 + 51 =
  5. 5.75 + 44 + 34 + 83 =
  6. 6.44 + 24 + 26 + 58 =
  7. 7.41 + 81 + 46 + 29 =
  8. 8.42 + 16 + 56 + 35 =
  9. 9.17 + 84 + 66 + 42 =
  10. 10.42 + 51 + 21 + 27 =
  11. 11.32 + 25 + 48 + 12 =
  12. 12.23 + 16 + 21 + 59 =
  13. 13.54 + 76 + 51 + 66 =
  14. 14.26 + 28 + 46 + 23 =
  15. 15.24 + 84 + 32 + 19 =
  16. 16.63 + 41 + 56 + 11 =
  17. 17.79 + 42 + 60 + 68 =
  18. 18.83 + 74 + 89 + 33 =
  19. 19.84 + 89 + 88 + 85 =
  20. 20.33 + 80 + 77 + 17 =
  21. 21.84 + 52 + 46 + 74 =
  22. 22.86 + 78 + 18 + 89 =
  23. 23.85 + 85 + 45 + 33 =
  24. 24.72 + 37 + 22 + 52 =
  25. 25.87 + 12 + 14 + 79 =
  26. 26.51 + 23 + 26 + 20 =
  27. 27.82 + 31 + 46 + 58 =
  28. 28.27 + 11 + 38 + 18 =
  29. 29.62 + 56 + 27 + 23 =
  30. 30.48 + 87 + 80 + 22 =
  31. 31.37 + 61 + 12 + 22 =
  32. 32.31 + 13 + 51 + 52 =
  33. 33.35 + 45 + 32 + 89 =
  34. 34.59 + 81 + 35 + 39 =
  35. 35.37 + 82 + 12 + 29 =
  36. 36.45 + 14 + 66 + 78 =
  37. 37.50 + 62 + 57 + 77 =
  38. 38.70 + 18 + 78 + 14 =
  39. 39.53 + 63 + 23 + 56 =
  40. 40.35 + 34 + 26 + 82 =

Answer key

  1. 269
  2. 171
  3. 179
  4. 248
  5. 236
  6. 152
  7. 197
  8. 149
  9. 209
  10. 141
  11. 117
  12. 119
  13. 247
  14. 123
  15. 159
  16. 171
  17. 249
  18. 279
  19. 346
  20. 207
  21. 256
  22. 271
  23. 248
  24. 183
  25. 192
  26. 120
  27. 217
  28. 94
  29. 168
  30. 237
  31. 132
  32. 147
  33. 201
  34. 214
  35. 160
  36. 203
  37. 246
  38. 180
  39. 195
  40. 177

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