← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 45 · 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. 1.26 + 43 + 30 + 30 =
  2. 2.35 + 46 + 31 + 33 =
  3. 3.82 + 32 + 16 + 30 =
  4. 4.38 + 27 + 47 + 32 =
  5. 5.39 + 37 + 40 + 32 =
  6. 6.65 + 26 + 23 + 48 =
  7. 7.16 + 17 + 23 + 33 =
  8. 8.11 + 22 + 89 + 81 =
  9. 9.59 + 16 + 30 + 52 =
  10. 10.68 + 22 + 70 + 76 =
  11. 11.41 + 31 + 68 + 26 =
  12. 12.89 + 83 + 44 + 64 =
  13. 13.14 + 89 + 29 + 55 =
  14. 14.27 + 16 + 84 + 88 =
  15. 15.20 + 34 + 29 + 81 =
  16. 16.15 + 59 + 66 + 29 =
  17. 17.19 + 17 + 76 + 13 =
  18. 18.86 + 37 + 25 + 63 =
  19. 19.44 + 63 + 26 + 48 =
  20. 20.87 + 46 + 88 + 36 =
  21. 21.48 + 61 + 50 + 13 =
  22. 22.52 + 26 + 21 + 61 =
  23. 23.72 + 57 + 27 + 37 =
  24. 24.71 + 89 + 38 + 56 =
  25. 25.32 + 75 + 15 + 83 =
  26. 26.26 + 25 + 39 + 52 =
  27. 27.51 + 28 + 32 + 41 =
  28. 28.58 + 84 + 15 + 25 =
  29. 29.85 + 45 + 39 + 47 =
  30. 30.76 + 55 + 18 + 11 =
  31. 31.54 + 17 + 77 + 23 =
  32. 32.43 + 85 + 21 + 32 =
  33. 33.29 + 19 + 81 + 79 =
  34. 34.50 + 86 + 20 + 79 =
  35. 35.84 + 33 + 64 + 74 =
  36. 36.68 + 62 + 15 + 81 =
  37. 37.67 + 25 + 21 + 66 =
  38. 38.50 + 26 + 40 + 44 =
  39. 39.72 + 74 + 78 + 71 =
  40. 40.25 + 52 + 48 + 84 =

Answer key

  1. 129
  2. 145
  3. 160
  4. 144
  5. 148
  6. 162
  7. 89
  8. 203
  9. 157
  10. 236
  11. 166
  12. 280
  13. 187
  14. 215
  15. 164
  16. 169
  17. 125
  18. 211
  19. 181
  20. 257
  21. 172
  22. 160
  23. 193
  24. 254
  25. 205
  26. 142
  27. 152
  28. 182
  29. 216
  30. 160
  31. 171
  32. 181
  33. 208
  34. 235
  35. 255
  36. 226
  37. 179
  38. 160
  39. 295
  40. 209

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