← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 78 · 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. 1.48 + 44 + 20 + 85 =
  2. 2.66 + 71 + 42 + 32 =
  3. 3.84 + 42 + 60 + 42 =
  4. 4.63 + 41 + 57 + 68 =
  5. 5.21 + 22 + 55 + 81 =
  6. 6.41 + 17 + 21 + 32 =
  7. 7.89 + 54 + 67 + 57 =
  8. 8.82 + 45 + 66 + 20 =
  9. 9.89 + 54 + 33 + 25 =
  10. 10.28 + 16 + 49 + 62 =
  11. 11.25 + 58 + 15 + 83 =
  12. 12.51 + 36 + 12 + 61 =
  13. 13.76 + 18 + 29 + 34 =
  14. 14.18 + 69 + 53 + 56 =
  15. 15.38 + 31 + 56 + 17 =
  16. 16.52 + 35 + 51 + 40 =
  17. 17.36 + 14 + 67 + 56 =
  18. 18.53 + 36 + 89 + 23 =
  19. 19.33 + 27 + 86 + 72 =
  20. 20.57 + 64 + 75 + 24 =
  21. 21.46 + 36 + 18 + 52 =
  22. 22.41 + 26 + 33 + 44 =
  23. 23.25 + 33 + 28 + 45 =
  24. 24.12 + 73 + 24 + 29 =
  25. 25.67 + 14 + 76 + 69 =
  26. 26.84 + 34 + 82 + 36 =
  27. 27.53 + 79 + 15 + 82 =
  28. 28.25 + 41 + 62 + 64 =
  29. 29.69 + 60 + 18 + 12 =
  30. 30.78 + 78 + 40 + 64 =
  31. 31.66 + 42 + 85 + 19 =
  32. 32.65 + 41 + 31 + 17 =
  33. 33.36 + 64 + 12 + 28 =
  34. 34.57 + 22 + 43 + 44 =
  35. 35.44 + 69 + 14 + 64 =
  36. 36.11 + 20 + 43 + 58 =
  37. 37.49 + 39 + 68 + 82 =
  38. 38.62 + 77 + 44 + 35 =
  39. 39.24 + 46 + 43 + 17 =
  40. 40.74 + 22 + 85 + 28 =

Answer key

  1. 197
  2. 211
  3. 228
  4. 229
  5. 179
  6. 111
  7. 267
  8. 213
  9. 201
  10. 155
  11. 181
  12. 160
  13. 157
  14. 196
  15. 142
  16. 178
  17. 173
  18. 201
  19. 218
  20. 220
  21. 152
  22. 144
  23. 131
  24. 138
  25. 226
  26. 236
  27. 229
  28. 192
  29. 159
  30. 260
  31. 212
  32. 154
  33. 140
  34. 166
  35. 191
  36. 132
  37. 238
  38. 218
  39. 130
  40. 209

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