← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 927 · 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. 1.47 + 30 + 57 + 65 =
  2. 2.39 + 51 + 20 + 16 =
  3. 3.34 + 30 + 11 + 15 =
  4. 4.40 + 20 + 64 + 21 =
  5. 5.72 + 25 + 66 + 31 =
  6. 6.37 + 42 + 24 + 85 =
  7. 7.46 + 58 + 32 + 16 =
  8. 8.14 + 54 + 11 + 63 =
  9. 9.76 + 17 + 11 + 50 =
  10. 10.67 + 86 + 61 + 16 =
  11. 11.27 + 56 + 87 + 46 =
  12. 12.20 + 35 + 31 + 83 =
  13. 13.53 + 72 + 88 + 44 =
  14. 14.60 + 40 + 88 + 86 =
  15. 15.69 + 19 + 11 + 62 =
  16. 16.69 + 71 + 80 + 76 =
  17. 17.19 + 39 + 35 + 30 =
  18. 18.85 + 17 + 52 + 27 =
  19. 19.89 + 79 + 50 + 48 =
  20. 20.47 + 33 + 26 + 58 =
  21. 21.31 + 56 + 73 + 54 =
  22. 22.63 + 20 + 22 + 33 =
  23. 23.76 + 16 + 84 + 87 =
  24. 24.18 + 34 + 52 + 14 =
  25. 25.77 + 29 + 44 + 55 =
  26. 26.65 + 12 + 23 + 42 =
  27. 27.51 + 44 + 25 + 70 =
  28. 28.66 + 26 + 49 + 36 =
  29. 29.32 + 31 + 70 + 41 =
  30. 30.39 + 51 + 22 + 26 =
  31. 31.75 + 46 + 75 + 83 =
  32. 32.11 + 28 + 19 + 37 =
  33. 33.37 + 37 + 57 + 75 =
  34. 34.13 + 58 + 86 + 66 =
  35. 35.80 + 74 + 28 + 78 =
  36. 36.32 + 21 + 44 + 66 =
  37. 37.34 + 51 + 53 + 56 =
  38. 38.25 + 11 + 38 + 13 =
  39. 39.46 + 44 + 76 + 83 =
  40. 40.16 + 51 + 29 + 54 =

Answer key

  1. 199
  2. 126
  3. 90
  4. 145
  5. 194
  6. 188
  7. 152
  8. 142
  9. 154
  10. 230
  11. 216
  12. 169
  13. 257
  14. 274
  15. 161
  16. 296
  17. 123
  18. 181
  19. 266
  20. 164
  21. 214
  22. 138
  23. 263
  24. 118
  25. 205
  26. 142
  27. 190
  28. 177
  29. 174
  30. 138
  31. 279
  32. 95
  33. 206
  34. 223
  35. 260
  36. 163
  37. 194
  38. 87
  39. 249
  40. 150

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