← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 468 · 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. 1.65 + 22 + 73 + 15 =
  2. 2.16 + 49 + 42 + 63 =
  3. 3.56 + 57 + 12 + 36 =
  4. 4.61 + 32 + 86 + 13 =
  5. 5.39 + 85 + 37 + 74 =
  6. 6.24 + 50 + 15 + 44 =
  7. 7.49 + 23 + 72 + 87 =
  8. 8.38 + 76 + 31 + 78 =
  9. 9.63 + 71 + 48 + 41 =
  10. 10.51 + 83 + 12 + 56 =
  11. 11.86 + 48 + 11 + 52 =
  12. 12.86 + 57 + 20 + 17 =
  13. 13.89 + 20 + 83 + 46 =
  14. 14.78 + 11 + 24 + 43 =
  15. 15.18 + 86 + 55 + 80 =
  16. 16.89 + 54 + 25 + 11 =
  17. 17.29 + 12 + 35 + 19 =
  18. 18.48 + 24 + 39 + 13 =
  19. 19.54 + 18 + 76 + 38 =
  20. 20.19 + 87 + 44 + 16 =
  21. 21.44 + 84 + 41 + 22 =
  22. 22.21 + 49 + 39 + 74 =
  23. 23.44 + 78 + 16 + 66 =
  24. 24.88 + 64 + 71 + 33 =
  25. 25.12 + 43 + 51 + 21 =
  26. 26.34 + 31 + 31 + 82 =
  27. 27.49 + 39 + 71 + 57 =
  28. 28.33 + 84 + 79 + 54 =
  29. 29.31 + 56 + 75 + 74 =
  30. 30.84 + 73 + 69 + 27 =
  31. 31.48 + 52 + 73 + 39 =
  32. 32.34 + 47 + 77 + 59 =
  33. 33.69 + 31 + 40 + 66 =
  34. 34.55 + 55 + 69 + 38 =
  35. 35.70 + 41 + 12 + 53 =
  36. 36.77 + 51 + 87 + 43 =
  37. 37.64 + 80 + 19 + 64 =
  38. 38.54 + 32 + 13 + 52 =
  39. 39.19 + 28 + 28 + 64 =
  40. 40.75 + 13 + 65 + 65 =

Answer key

  1. 175
  2. 170
  3. 161
  4. 192
  5. 235
  6. 133
  7. 231
  8. 223
  9. 223
  10. 202
  11. 197
  12. 180
  13. 238
  14. 156
  15. 239
  16. 179
  17. 95
  18. 124
  19. 186
  20. 166
  21. 191
  22. 183
  23. 204
  24. 256
  25. 127
  26. 178
  27. 216
  28. 250
  29. 236
  30. 253
  31. 212
  32. 217
  33. 206
  34. 217
  35. 176
  36. 258
  37. 227
  38. 151
  39. 139
  40. 218

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