← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 251 · 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. 1.18 + 53 + 81 + 42 =
  2. 2.55 + 75 + 66 + 76 =
  3. 3.14 + 37 + 19 + 12 =
  4. 4.69 + 86 + 84 + 42 =
  5. 5.26 + 55 + 82 + 52 =
  6. 6.80 + 75 + 80 + 26 =
  7. 7.47 + 45 + 78 + 55 =
  8. 8.72 + 19 + 12 + 72 =
  9. 9.42 + 61 + 29 + 54 =
  10. 10.16 + 17 + 83 + 63 =
  11. 11.77 + 45 + 74 + 73 =
  12. 12.66 + 75 + 70 + 32 =
  13. 13.41 + 49 + 85 + 33 =
  14. 14.19 + 21 + 71 + 33 =
  15. 15.58 + 25 + 87 + 24 =
  16. 16.69 + 12 + 37 + 25 =
  17. 17.49 + 58 + 33 + 55 =
  18. 18.22 + 68 + 89 + 19 =
  19. 19.64 + 24 + 16 + 54 =
  20. 20.22 + 69 + 40 + 17 =
  21. 21.61 + 45 + 64 + 22 =
  22. 22.16 + 14 + 73 + 22 =
  23. 23.16 + 39 + 84 + 25 =
  24. 24.70 + 75 + 13 + 61 =
  25. 25.25 + 43 + 43 + 12 =
  26. 26.42 + 35 + 33 + 19 =
  27. 27.34 + 67 + 33 + 43 =
  28. 28.60 + 34 + 54 + 83 =
  29. 29.73 + 75 + 85 + 54 =
  30. 30.69 + 19 + 21 + 82 =
  31. 31.18 + 29 + 14 + 74 =
  32. 32.73 + 20 + 23 + 48 =
  33. 33.62 + 17 + 80 + 54 =
  34. 34.35 + 36 + 34 + 88 =
  35. 35.67 + 88 + 25 + 25 =
  36. 36.44 + 20 + 81 + 63 =
  37. 37.21 + 82 + 35 + 38 =
  38. 38.13 + 17 + 74 + 89 =
  39. 39.75 + 87 + 88 + 16 =
  40. 40.63 + 47 + 38 + 13 =

Answer key

  1. 194
  2. 272
  3. 82
  4. 281
  5. 215
  6. 261
  7. 225
  8. 175
  9. 186
  10. 179
  11. 269
  12. 243
  13. 208
  14. 144
  15. 194
  16. 143
  17. 195
  18. 198
  19. 158
  20. 148
  21. 192
  22. 125
  23. 164
  24. 219
  25. 123
  26. 129
  27. 177
  28. 231
  29. 287
  30. 191
  31. 135
  32. 164
  33. 213
  34. 193
  35. 205
  36. 208
  37. 176
  38. 193
  39. 266
  40. 161

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