← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 997 · 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. 1.15 + 42 + 66 + 37 =
  2. 2.20 + 33 + 58 + 37 =
  3. 3.47 + 57 + 65 + 18 =
  4. 4.45 + 33 + 22 + 43 =
  5. 5.88 + 29 + 83 + 12 =
  6. 6.45 + 63 + 23 + 73 =
  7. 7.62 + 45 + 53 + 86 =
  8. 8.22 + 26 + 24 + 82 =
  9. 9.56 + 31 + 72 + 33 =
  10. 10.59 + 83 + 50 + 76 =
  11. 11.25 + 36 + 16 + 72 =
  12. 12.22 + 88 + 86 + 67 =
  13. 13.24 + 42 + 13 + 17 =
  14. 14.61 + 51 + 46 + 23 =
  15. 15.61 + 42 + 61 + 72 =
  16. 16.86 + 21 + 15 + 42 =
  17. 17.26 + 34 + 11 + 53 =
  18. 18.69 + 48 + 62 + 42 =
  19. 19.49 + 15 + 32 + 56 =
  20. 20.31 + 15 + 15 + 31 =
  21. 21.26 + 36 + 83 + 72 =
  22. 22.23 + 12 + 16 + 25 =
  23. 23.24 + 14 + 13 + 41 =
  24. 24.67 + 36 + 19 + 61 =
  25. 25.13 + 12 + 28 + 69 =
  26. 26.78 + 52 + 26 + 74 =
  27. 27.52 + 37 + 61 + 62 =
  28. 28.58 + 80 + 76 + 23 =
  29. 29.11 + 52 + 23 + 33 =
  30. 30.82 + 51 + 58 + 20 =
  31. 31.79 + 85 + 19 + 21 =
  32. 32.20 + 49 + 41 + 46 =
  33. 33.55 + 68 + 14 + 75 =
  34. 34.56 + 32 + 15 + 25 =
  35. 35.28 + 73 + 73 + 53 =
  36. 36.83 + 34 + 64 + 60 =
  37. 37.82 + 24 + 17 + 46 =
  38. 38.46 + 42 + 30 + 23 =
  39. 39.66 + 29 + 80 + 87 =
  40. 40.49 + 17 + 13 + 48 =

Answer key

  1. 160
  2. 148
  3. 187
  4. 143
  5. 212
  6. 204
  7. 246
  8. 154
  9. 192
  10. 268
  11. 149
  12. 263
  13. 96
  14. 181
  15. 236
  16. 164
  17. 124
  18. 221
  19. 152
  20. 92
  21. 217
  22. 76
  23. 92
  24. 183
  25. 122
  26. 230
  27. 212
  28. 237
  29. 119
  30. 211
  31. 204
  32. 156
  33. 212
  34. 128
  35. 227
  36. 241
  37. 169
  38. 141
  39. 262
  40. 127

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