← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 325 · 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. 1.83 + 42 + 82 + 86 =
  2. 2.43 + 89 + 27 + 25 =
  3. 3.69 + 24 + 31 + 45 =
  4. 4.16 + 18 + 67 + 73 =
  5. 5.23 + 29 + 42 + 19 =
  6. 6.34 + 69 + 29 + 12 =
  7. 7.33 + 87 + 51 + 64 =
  8. 8.77 + 18 + 89 + 22 =
  9. 9.17 + 87 + 30 + 23 =
  10. 10.24 + 14 + 79 + 35 =
  11. 11.88 + 39 + 24 + 62 =
  12. 12.41 + 75 + 63 + 26 =
  13. 13.21 + 68 + 25 + 33 =
  14. 14.71 + 31 + 32 + 71 =
  15. 15.19 + 66 + 75 + 16 =
  16. 16.16 + 84 + 19 + 84 =
  17. 17.64 + 19 + 39 + 86 =
  18. 18.76 + 84 + 27 + 62 =
  19. 19.82 + 38 + 70 + 19 =
  20. 20.68 + 84 + 58 + 12 =
  21. 21.16 + 22 + 26 + 49 =
  22. 22.67 + 22 + 54 + 73 =
  23. 23.68 + 45 + 68 + 46 =
  24. 24.24 + 85 + 52 + 70 =
  25. 25.60 + 13 + 46 + 60 =
  26. 26.46 + 53 + 34 + 22 =
  27. 27.29 + 44 + 55 + 44 =
  28. 28.49 + 44 + 82 + 75 =
  29. 29.75 + 64 + 24 + 14 =
  30. 30.49 + 18 + 77 + 72 =
  31. 31.27 + 87 + 38 + 12 =
  32. 32.46 + 27 + 27 + 55 =
  33. 33.58 + 69 + 32 + 41 =
  34. 34.17 + 19 + 79 + 59 =
  35. 35.80 + 37 + 88 + 26 =
  36. 36.62 + 12 + 70 + 52 =
  37. 37.51 + 61 + 85 + 34 =
  38. 38.84 + 32 + 39 + 80 =
  39. 39.58 + 27 + 25 + 34 =
  40. 40.28 + 35 + 81 + 38 =

Answer key

  1. 293
  2. 184
  3. 169
  4. 174
  5. 113
  6. 144
  7. 235
  8. 206
  9. 157
  10. 152
  11. 213
  12. 205
  13. 147
  14. 205
  15. 176
  16. 203
  17. 208
  18. 249
  19. 209
  20. 222
  21. 113
  22. 216
  23. 227
  24. 231
  25. 179
  26. 155
  27. 172
  28. 250
  29. 177
  30. 216
  31. 164
  32. 155
  33. 200
  34. 174
  35. 231
  36. 196
  37. 231
  38. 235
  39. 144
  40. 182

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