← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 490 · 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. 1.74 + 48 + 48 + 68 =
  2. 2.29 + 19 + 31 + 34 =
  3. 3.81 + 35 + 49 + 30 =
  4. 4.80 + 63 + 76 + 22 =
  5. 5.67 + 57 + 38 + 75 =
  6. 6.78 + 65 + 16 + 49 =
  7. 7.26 + 42 + 20 + 59 =
  8. 8.88 + 82 + 43 + 44 =
  9. 9.41 + 70 + 64 + 22 =
  10. 10.40 + 27 + 60 + 81 =
  11. 11.33 + 25 + 64 + 47 =
  12. 12.64 + 43 + 79 + 46 =
  13. 13.30 + 39 + 25 + 50 =
  14. 14.88 + 85 + 36 + 36 =
  15. 15.85 + 69 + 30 + 60 =
  16. 16.66 + 73 + 50 + 41 =
  17. 17.50 + 60 + 64 + 88 =
  18. 18.29 + 35 + 56 + 49 =
  19. 19.66 + 63 + 32 + 23 =
  20. 20.18 + 42 + 26 + 27 =
  21. 21.52 + 29 + 80 + 69 =
  22. 22.87 + 16 + 51 + 80 =
  23. 23.89 + 38 + 66 + 27 =
  24. 24.21 + 40 + 79 + 75 =
  25. 25.16 + 54 + 29 + 22 =
  26. 26.51 + 72 + 46 + 26 =
  27. 27.39 + 15 + 56 + 48 =
  28. 28.11 + 31 + 34 + 52 =
  29. 29.18 + 89 + 72 + 83 =
  30. 30.66 + 55 + 13 + 56 =
  31. 31.71 + 39 + 24 + 85 =
  32. 32.13 + 28 + 38 + 19 =
  33. 33.58 + 14 + 85 + 55 =
  34. 34.45 + 32 + 69 + 69 =
  35. 35.42 + 22 + 57 + 12 =
  36. 36.67 + 17 + 79 + 61 =
  37. 37.75 + 22 + 81 + 22 =
  38. 38.22 + 60 + 15 + 42 =
  39. 39.66 + 82 + 17 + 48 =
  40. 40.17 + 32 + 73 + 48 =

Answer key

  1. 238
  2. 113
  3. 195
  4. 241
  5. 237
  6. 208
  7. 147
  8. 257
  9. 197
  10. 208
  11. 169
  12. 232
  13. 144
  14. 245
  15. 244
  16. 230
  17. 262
  18. 169
  19. 184
  20. 113
  21. 230
  22. 234
  23. 220
  24. 215
  25. 121
  26. 195
  27. 158
  28. 128
  29. 262
  30. 190
  31. 219
  32. 98
  33. 212
  34. 215
  35. 133
  36. 224
  37. 200
  38. 139
  39. 213
  40. 170

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