← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 988 · 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. 1.84 + 57 + 81 + 27 =
  2. 2.33 + 14 + 34 + 16 =
  3. 3.17 + 87 + 36 + 74 =
  4. 4.13 + 12 + 13 + 12 =
  5. 5.59 + 71 + 73 + 20 =
  6. 6.26 + 19 + 64 + 43 =
  7. 7.60 + 35 + 17 + 49 =
  8. 8.13 + 73 + 23 + 37 =
  9. 9.39 + 30 + 43 + 60 =
  10. 10.75 + 14 + 42 + 59 =
  11. 11.35 + 28 + 47 + 85 =
  12. 12.82 + 30 + 16 + 54 =
  13. 13.71 + 81 + 18 + 67 =
  14. 14.51 + 48 + 28 + 62 =
  15. 15.18 + 87 + 36 + 15 =
  16. 16.68 + 66 + 33 + 79 =
  17. 17.44 + 15 + 81 + 43 =
  18. 18.61 + 17 + 77 + 17 =
  19. 19.84 + 69 + 14 + 32 =
  20. 20.54 + 79 + 82 + 46 =
  21. 21.66 + 74 + 46 + 19 =
  22. 22.81 + 15 + 12 + 11 =
  23. 23.77 + 14 + 45 + 66 =
  24. 24.79 + 22 + 49 + 16 =
  25. 25.69 + 69 + 48 + 28 =
  26. 26.75 + 27 + 57 + 47 =
  27. 27.28 + 20 + 27 + 49 =
  28. 28.24 + 27 + 51 + 45 =
  29. 29.66 + 12 + 77 + 79 =
  30. 30.67 + 48 + 33 + 46 =
  31. 31.20 + 14 + 33 + 17 =
  32. 32.48 + 14 + 64 + 52 =
  33. 33.19 + 57 + 19 + 46 =
  34. 34.32 + 49 + 21 + 86 =
  35. 35.69 + 22 + 81 + 88 =
  36. 36.33 + 15 + 85 + 60 =
  37. 37.51 + 66 + 34 + 67 =
  38. 38.42 + 68 + 21 + 34 =
  39. 39.45 + 24 + 56 + 59 =
  40. 40.50 + 47 + 66 + 20 =

Answer key

  1. 249
  2. 97
  3. 214
  4. 50
  5. 223
  6. 152
  7. 161
  8. 146
  9. 172
  10. 190
  11. 195
  12. 182
  13. 237
  14. 189
  15. 156
  16. 246
  17. 183
  18. 172
  19. 199
  20. 261
  21. 205
  22. 119
  23. 202
  24. 166
  25. 214
  26. 206
  27. 124
  28. 147
  29. 234
  30. 194
  31. 84
  32. 178
  33. 141
  34. 188
  35. 260
  36. 193
  37. 218
  38. 165
  39. 184
  40. 183

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