← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 863 · 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 + 39 + 72 + 88 =
  2. 2.80 + 47 + 84 + 39 =
  3. 3.27 + 15 + 26 + 31 =
  4. 4.51 + 63 + 55 + 35 =
  5. 5.64 + 60 + 63 + 65 =
  6. 6.18 + 29 + 18 + 29 =
  7. 7.49 + 88 + 52 + 44 =
  8. 8.68 + 52 + 54 + 77 =
  9. 9.27 + 74 + 43 + 84 =
  10. 10.80 + 82 + 18 + 12 =
  11. 11.32 + 62 + 11 + 89 =
  12. 12.28 + 33 + 51 + 72 =
  13. 13.17 + 46 + 26 + 60 =
  14. 14.44 + 23 + 56 + 66 =
  15. 15.58 + 63 + 61 + 55 =
  16. 16.31 + 13 + 23 + 26 =
  17. 17.67 + 17 + 86 + 62 =
  18. 18.56 + 28 + 18 + 16 =
  19. 19.85 + 15 + 14 + 87 =
  20. 20.65 + 78 + 15 + 75 =
  21. 21.86 + 23 + 57 + 28 =
  22. 22.39 + 11 + 80 + 14 =
  23. 23.75 + 11 + 70 + 64 =
  24. 24.12 + 80 + 73 + 19 =
  25. 25.23 + 88 + 69 + 38 =
  26. 26.68 + 20 + 31 + 68 =
  27. 27.87 + 16 + 78 + 53 =
  28. 28.54 + 51 + 32 + 57 =
  29. 29.88 + 11 + 74 + 78 =
  30. 30.34 + 51 + 70 + 63 =
  31. 31.49 + 89 + 76 + 22 =
  32. 32.42 + 68 + 54 + 49 =
  33. 33.61 + 64 + 61 + 70 =
  34. 34.83 + 17 + 41 + 89 =
  35. 35.39 + 51 + 44 + 40 =
  36. 36.89 + 59 + 30 + 41 =
  37. 37.27 + 43 + 21 + 76 =
  38. 38.28 + 60 + 67 + 16 =
  39. 39.31 + 15 + 21 + 71 =
  40. 40.23 + 71 + 41 + 28 =

Answer key

  1. 214
  2. 250
  3. 99
  4. 204
  5. 252
  6. 94
  7. 233
  8. 251
  9. 228
  10. 192
  11. 194
  12. 184
  13. 149
  14. 189
  15. 237
  16. 93
  17. 232
  18. 118
  19. 201
  20. 233
  21. 194
  22. 144
  23. 220
  24. 184
  25. 218
  26. 187
  27. 234
  28. 194
  29. 251
  30. 218
  31. 236
  32. 213
  33. 256
  34. 230
  35. 174
  36. 219
  37. 167
  38. 171
  39. 138
  40. 163

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