← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 406 · 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. 1.76 + 85 + 58 + 70 =
  2. 2.76 + 63 + 65 + 65 =
  3. 3.24 + 75 + 73 + 18 =
  4. 4.76 + 18 + 28 + 29 =
  5. 5.84 + 30 + 12 + 64 =
  6. 6.15 + 89 + 48 + 12 =
  7. 7.44 + 27 + 19 + 57 =
  8. 8.35 + 33 + 21 + 55 =
  9. 9.30 + 64 + 44 + 38 =
  10. 10.48 + 14 + 55 + 39 =
  11. 11.60 + 28 + 72 + 38 =
  12. 12.13 + 46 + 18 + 32 =
  13. 13.25 + 49 + 31 + 83 =
  14. 14.82 + 61 + 19 + 26 =
  15. 15.87 + 49 + 46 + 68 =
  16. 16.70 + 18 + 77 + 20 =
  17. 17.66 + 11 + 78 + 37 =
  18. 18.24 + 13 + 73 + 21 =
  19. 19.46 + 59 + 33 + 75 =
  20. 20.47 + 59 + 33 + 77 =
  21. 21.74 + 21 + 70 + 19 =
  22. 22.12 + 29 + 41 + 46 =
  23. 23.79 + 68 + 58 + 27 =
  24. 24.42 + 31 + 43 + 36 =
  25. 25.72 + 74 + 47 + 40 =
  26. 26.75 + 30 + 31 + 24 =
  27. 27.76 + 30 + 79 + 71 =
  28. 28.39 + 70 + 70 + 84 =
  29. 29.42 + 16 + 37 + 86 =
  30. 30.43 + 39 + 26 + 19 =
  31. 31.24 + 23 + 35 + 81 =
  32. 32.44 + 53 + 56 + 63 =
  33. 33.17 + 37 + 63 + 13 =
  34. 34.87 + 17 + 29 + 72 =
  35. 35.64 + 46 + 26 + 66 =
  36. 36.23 + 22 + 83 + 19 =
  37. 37.68 + 88 + 28 + 31 =
  38. 38.14 + 88 + 45 + 15 =
  39. 39.19 + 62 + 30 + 79 =
  40. 40.81 + 30 + 42 + 22 =

Answer key

  1. 289
  2. 269
  3. 190
  4. 151
  5. 190
  6. 164
  7. 147
  8. 144
  9. 176
  10. 156
  11. 198
  12. 109
  13. 188
  14. 188
  15. 250
  16. 185
  17. 192
  18. 131
  19. 213
  20. 216
  21. 184
  22. 128
  23. 232
  24. 152
  25. 233
  26. 160
  27. 256
  28. 263
  29. 181
  30. 127
  31. 163
  32. 216
  33. 130
  34. 205
  35. 202
  36. 147
  37. 215
  38. 162
  39. 190
  40. 175

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