← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 969 · 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. 1.14 + 47 + 36 + 50 =
  2. 2.78 + 49 + 23 + 13 =
  3. 3.85 + 30 + 55 + 75 =
  4. 4.72 + 50 + 79 + 37 =
  5. 5.54 + 37 + 71 + 46 =
  6. 6.70 + 44 + 37 + 64 =
  7. 7.39 + 22 + 29 + 24 =
  8. 8.63 + 72 + 88 + 58 =
  9. 9.46 + 58 + 20 + 57 =
  10. 10.34 + 70 + 76 + 75 =
  11. 11.20 + 65 + 49 + 86 =
  12. 12.64 + 13 + 70 + 37 =
  13. 13.47 + 13 + 19 + 81 =
  14. 14.64 + 21 + 81 + 75 =
  15. 15.35 + 76 + 58 + 25 =
  16. 16.52 + 34 + 11 + 38 =
  17. 17.78 + 53 + 25 + 74 =
  18. 18.38 + 31 + 22 + 24 =
  19. 19.19 + 44 + 62 + 59 =
  20. 20.15 + 75 + 86 + 23 =
  21. 21.63 + 78 + 71 + 29 =
  22. 22.88 + 61 + 12 + 26 =
  23. 23.62 + 43 + 68 + 61 =
  24. 24.82 + 85 + 34 + 88 =
  25. 25.37 + 50 + 16 + 31 =
  26. 26.14 + 15 + 32 + 40 =
  27. 27.58 + 22 + 49 + 80 =
  28. 28.53 + 43 + 62 + 79 =
  29. 29.24 + 87 + 45 + 20 =
  30. 30.78 + 74 + 25 + 69 =
  31. 31.44 + 76 + 51 + 27 =
  32. 32.20 + 28 + 26 + 12 =
  33. 33.61 + 64 + 14 + 26 =
  34. 34.19 + 14 + 26 + 76 =
  35. 35.65 + 74 + 53 + 22 =
  36. 36.84 + 80 + 56 + 60 =
  37. 37.26 + 45 + 71 + 33 =
  38. 38.72 + 53 + 27 + 41 =
  39. 39.56 + 57 + 27 + 60 =
  40. 40.89 + 86 + 20 + 61 =

Answer key

  1. 147
  2. 163
  3. 245
  4. 238
  5. 208
  6. 215
  7. 114
  8. 281
  9. 181
  10. 255
  11. 220
  12. 184
  13. 160
  14. 241
  15. 194
  16. 135
  17. 230
  18. 115
  19. 184
  20. 199
  21. 241
  22. 187
  23. 234
  24. 289
  25. 134
  26. 101
  27. 209
  28. 237
  29. 176
  30. 246
  31. 198
  32. 86
  33. 165
  34. 135
  35. 214
  36. 280
  37. 175
  38. 193
  39. 200
  40. 256

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