← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 912 · 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. 1.48 + 84 + 57 + 53 =
  2. 2.45 + 47 + 87 + 43 =
  3. 3.60 + 39 + 13 + 46 =
  4. 4.14 + 89 + 59 + 17 =
  5. 5.26 + 89 + 53 + 22 =
  6. 6.56 + 80 + 40 + 48 =
  7. 7.39 + 79 + 20 + 14 =
  8. 8.29 + 36 + 15 + 61 =
  9. 9.17 + 18 + 69 + 54 =
  10. 10.81 + 61 + 35 + 58 =
  11. 11.46 + 30 + 62 + 12 =
  12. 12.41 + 33 + 64 + 50 =
  13. 13.58 + 73 + 66 + 89 =
  14. 14.89 + 71 + 35 + 38 =
  15. 15.21 + 83 + 65 + 38 =
  16. 16.81 + 67 + 14 + 87 =
  17. 17.32 + 65 + 65 + 31 =
  18. 18.86 + 35 + 54 + 52 =
  19. 19.32 + 20 + 78 + 15 =
  20. 20.53 + 52 + 67 + 63 =
  21. 21.59 + 33 + 73 + 57 =
  22. 22.24 + 80 + 24 + 35 =
  23. 23.83 + 44 + 61 + 51 =
  24. 24.64 + 47 + 56 + 41 =
  25. 25.62 + 85 + 85 + 83 =
  26. 26.80 + 71 + 48 + 34 =
  27. 27.31 + 16 + 30 + 15 =
  28. 28.70 + 62 + 12 + 32 =
  29. 29.56 + 78 + 16 + 49 =
  30. 30.88 + 68 + 41 + 40 =
  31. 31.63 + 15 + 85 + 73 =
  32. 32.81 + 17 + 63 + 59 =
  33. 33.84 + 49 + 32 + 71 =
  34. 34.79 + 89 + 71 + 41 =
  35. 35.45 + 67 + 76 + 83 =
  36. 36.74 + 42 + 71 + 58 =
  37. 37.79 + 81 + 83 + 14 =
  38. 38.52 + 69 + 54 + 56 =
  39. 39.52 + 77 + 48 + 45 =
  40. 40.39 + 76 + 82 + 45 =

Answer key

  1. 242
  2. 222
  3. 158
  4. 179
  5. 190
  6. 224
  7. 152
  8. 141
  9. 158
  10. 235
  11. 150
  12. 188
  13. 286
  14. 233
  15. 207
  16. 249
  17. 193
  18. 227
  19. 145
  20. 235
  21. 222
  22. 163
  23. 239
  24. 208
  25. 315
  26. 233
  27. 92
  28. 176
  29. 199
  30. 237
  31. 236
  32. 220
  33. 236
  34. 280
  35. 271
  36. 245
  37. 257
  38. 231
  39. 222
  40. 242

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