← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 963 · 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. 1.55 + 69 + 79 + 56 =
  2. 2.54 + 84 + 50 + 89 =
  3. 3.83 + 27 + 83 + 89 =
  4. 4.39 + 28 + 85 + 66 =
  5. 5.43 + 14 + 55 + 58 =
  6. 6.22 + 89 + 80 + 47 =
  7. 7.33 + 72 + 51 + 46 =
  8. 8.80 + 45 + 17 + 55 =
  9. 9.25 + 68 + 53 + 20 =
  10. 10.53 + 66 + 87 + 34 =
  11. 11.40 + 51 + 64 + 11 =
  12. 12.31 + 50 + 61 + 70 =
  13. 13.79 + 43 + 55 + 58 =
  14. 14.65 + 24 + 79 + 82 =
  15. 15.21 + 28 + 45 + 70 =
  16. 16.12 + 55 + 17 + 37 =
  17. 17.41 + 89 + 22 + 33 =
  18. 18.74 + 37 + 38 + 40 =
  19. 19.87 + 49 + 55 + 55 =
  20. 20.44 + 34 + 60 + 20 =
  21. 21.65 + 37 + 54 + 50 =
  22. 22.25 + 69 + 88 + 52 =
  23. 23.58 + 15 + 85 + 48 =
  24. 24.66 + 80 + 59 + 60 =
  25. 25.31 + 65 + 21 + 66 =
  26. 26.22 + 20 + 32 + 54 =
  27. 27.15 + 33 + 16 + 21 =
  28. 28.51 + 27 + 56 + 83 =
  29. 29.75 + 70 + 88 + 76 =
  30. 30.63 + 49 + 12 + 30 =
  31. 31.42 + 14 + 77 + 48 =
  32. 32.60 + 37 + 51 + 77 =
  33. 33.38 + 76 + 87 + 78 =
  34. 34.21 + 67 + 62 + 26 =
  35. 35.30 + 61 + 56 + 73 =
  36. 36.35 + 19 + 17 + 30 =
  37. 37.63 + 77 + 52 + 89 =
  38. 38.47 + 45 + 36 + 50 =
  39. 39.35 + 44 + 38 + 71 =
  40. 40.27 + 27 + 56 + 74 =

Answer key

  1. 259
  2. 277
  3. 282
  4. 218
  5. 170
  6. 238
  7. 202
  8. 197
  9. 166
  10. 240
  11. 166
  12. 212
  13. 235
  14. 250
  15. 164
  16. 121
  17. 185
  18. 189
  19. 246
  20. 158
  21. 206
  22. 234
  23. 206
  24. 265
  25. 183
  26. 128
  27. 85
  28. 217
  29. 309
  30. 154
  31. 181
  32. 225
  33. 279
  34. 176
  35. 220
  36. 101
  37. 281
  38. 178
  39. 188
  40. 184

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