← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 301 · 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. 1.39 + 42 + 82 + 63 =
  2. 2.33 + 26 + 57 + 86 =
  3. 3.72 + 25 + 87 + 67 =
  4. 4.24 + 79 + 21 + 36 =
  5. 5.82 + 18 + 31 + 12 =
  6. 6.61 + 28 + 75 + 51 =
  7. 7.43 + 77 + 24 + 77 =
  8. 8.85 + 58 + 75 + 23 =
  9. 9.54 + 25 + 80 + 50 =
  10. 10.73 + 22 + 38 + 64 =
  11. 11.83 + 57 + 55 + 32 =
  12. 12.15 + 69 + 41 + 43 =
  13. 13.70 + 13 + 78 + 22 =
  14. 14.56 + 29 + 80 + 89 =
  15. 15.81 + 50 + 89 + 60 =
  16. 16.85 + 31 + 63 + 29 =
  17. 17.83 + 12 + 53 + 46 =
  18. 18.30 + 37 + 82 + 66 =
  19. 19.76 + 22 + 79 + 16 =
  20. 20.78 + 88 + 53 + 48 =
  21. 21.56 + 18 + 77 + 57 =
  22. 22.71 + 81 + 83 + 59 =
  23. 23.42 + 63 + 89 + 28 =
  24. 24.28 + 23 + 84 + 39 =
  25. 25.35 + 42 + 26 + 11 =
  26. 26.33 + 23 + 13 + 24 =
  27. 27.34 + 67 + 13 + 75 =
  28. 28.37 + 40 + 14 + 18 =
  29. 29.13 + 67 + 53 + 68 =
  30. 30.75 + 34 + 89 + 64 =
  31. 31.30 + 62 + 73 + 50 =
  32. 32.41 + 65 + 49 + 80 =
  33. 33.41 + 78 + 30 + 78 =
  34. 34.12 + 49 + 29 + 49 =
  35. 35.59 + 27 + 20 + 84 =
  36. 36.18 + 43 + 26 + 24 =
  37. 37.54 + 78 + 28 + 28 =
  38. 38.53 + 73 + 22 + 50 =
  39. 39.37 + 22 + 47 + 13 =
  40. 40.48 + 78 + 48 + 50 =

Answer key

  1. 226
  2. 202
  3. 251
  4. 160
  5. 143
  6. 215
  7. 221
  8. 241
  9. 209
  10. 197
  11. 227
  12. 168
  13. 183
  14. 254
  15. 280
  16. 208
  17. 194
  18. 215
  19. 193
  20. 267
  21. 208
  22. 294
  23. 222
  24. 174
  25. 114
  26. 93
  27. 189
  28. 109
  29. 201
  30. 262
  31. 215
  32. 235
  33. 227
  34. 139
  35. 190
  36. 111
  37. 188
  38. 198
  39. 119
  40. 224

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