← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 319 · 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. 1.78 + 22 + 21 + 15 =
  2. 2.76 + 43 + 64 + 33 =
  3. 3.29 + 15 + 48 + 83 =
  4. 4.85 + 37 + 21 + 89 =
  5. 5.41 + 78 + 87 + 18 =
  6. 6.72 + 15 + 84 + 46 =
  7. 7.50 + 87 + 76 + 12 =
  8. 8.20 + 67 + 66 + 76 =
  9. 9.30 + 25 + 65 + 26 =
  10. 10.40 + 15 + 37 + 58 =
  11. 11.54 + 24 + 85 + 17 =
  12. 12.62 + 21 + 65 + 48 =
  13. 13.21 + 40 + 73 + 31 =
  14. 14.32 + 50 + 34 + 23 =
  15. 15.87 + 74 + 24 + 19 =
  16. 16.17 + 82 + 88 + 14 =
  17. 17.53 + 71 + 62 + 61 =
  18. 18.50 + 47 + 19 + 30 =
  19. 19.29 + 24 + 71 + 17 =
  20. 20.32 + 87 + 53 + 53 =
  21. 21.82 + 59 + 40 + 12 =
  22. 22.52 + 68 + 68 + 51 =
  23. 23.78 + 45 + 84 + 72 =
  24. 24.37 + 42 + 33 + 19 =
  25. 25.47 + 21 + 22 + 53 =
  26. 26.86 + 55 + 56 + 55 =
  27. 27.29 + 11 + 14 + 39 =
  28. 28.28 + 33 + 43 + 58 =
  29. 29.65 + 17 + 57 + 72 =
  30. 30.32 + 76 + 74 + 26 =
  31. 31.89 + 43 + 42 + 14 =
  32. 32.43 + 16 + 25 + 63 =
  33. 33.58 + 65 + 60 + 33 =
  34. 34.44 + 53 + 73 + 88 =
  35. 35.67 + 61 + 15 + 36 =
  36. 36.35 + 21 + 76 + 38 =
  37. 37.32 + 61 + 61 + 59 =
  38. 38.29 + 50 + 44 + 87 =
  39. 39.49 + 51 + 56 + 12 =
  40. 40.44 + 75 + 45 + 68 =

Answer key

  1. 136
  2. 216
  3. 175
  4. 232
  5. 224
  6. 217
  7. 225
  8. 229
  9. 146
  10. 150
  11. 180
  12. 196
  13. 165
  14. 139
  15. 204
  16. 201
  17. 247
  18. 146
  19. 141
  20. 225
  21. 193
  22. 239
  23. 279
  24. 131
  25. 143
  26. 252
  27. 93
  28. 162
  29. 211
  30. 208
  31. 188
  32. 147
  33. 216
  34. 258
  35. 179
  36. 170
  37. 213
  38. 210
  39. 168
  40. 232

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