← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 914 · 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. 1.68 + 42 + 60 + 44 =
  2. 2.40 + 33 + 31 + 80 =
  3. 3.80 + 34 + 71 + 81 =
  4. 4.47 + 44 + 65 + 37 =
  5. 5.84 + 14 + 12 + 17 =
  6. 6.39 + 32 + 42 + 40 =
  7. 7.54 + 84 + 44 + 65 =
  8. 8.34 + 73 + 77 + 79 =
  9. 9.52 + 85 + 41 + 18 =
  10. 10.40 + 46 + 83 + 36 =
  11. 11.65 + 32 + 28 + 83 =
  12. 12.40 + 12 + 87 + 52 =
  13. 13.59 + 83 + 75 + 83 =
  14. 14.25 + 76 + 20 + 32 =
  15. 15.80 + 24 + 27 + 37 =
  16. 16.45 + 79 + 54 + 63 =
  17. 17.41 + 79 + 27 + 37 =
  18. 18.35 + 53 + 55 + 82 =
  19. 19.42 + 22 + 55 + 30 =
  20. 20.89 + 40 + 43 + 76 =
  21. 21.38 + 17 + 56 + 63 =
  22. 22.19 + 65 + 23 + 41 =
  23. 23.87 + 33 + 38 + 54 =
  24. 24.67 + 43 + 51 + 67 =
  25. 25.19 + 86 + 59 + 54 =
  26. 26.54 + 73 + 15 + 51 =
  27. 27.15 + 11 + 34 + 24 =
  28. 28.57 + 65 + 64 + 46 =
  29. 29.22 + 44 + 66 + 36 =
  30. 30.16 + 85 + 54 + 66 =
  31. 31.81 + 52 + 76 + 60 =
  32. 32.32 + 14 + 70 + 39 =
  33. 33.35 + 71 + 55 + 15 =
  34. 34.72 + 31 + 68 + 72 =
  35. 35.64 + 79 + 87 + 73 =
  36. 36.79 + 87 + 81 + 80 =
  37. 37.74 + 56 + 84 + 15 =
  38. 38.46 + 71 + 87 + 49 =
  39. 39.82 + 57 + 54 + 73 =
  40. 40.45 + 41 + 69 + 63 =

Answer key

  1. 214
  2. 184
  3. 266
  4. 193
  5. 127
  6. 153
  7. 247
  8. 263
  9. 196
  10. 205
  11. 208
  12. 191
  13. 300
  14. 153
  15. 168
  16. 241
  17. 184
  18. 225
  19. 149
  20. 248
  21. 174
  22. 148
  23. 212
  24. 228
  25. 218
  26. 193
  27. 84
  28. 232
  29. 168
  30. 221
  31. 269
  32. 155
  33. 176
  34. 243
  35. 303
  36. 327
  37. 229
  38. 253
  39. 266
  40. 218

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