← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 741 · 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 + 45 + 17 + 55 =
  2. 2.79 + 17 + 39 + 29 =
  3. 3.23 + 61 + 19 + 11 =
  4. 4.33 + 64 + 80 + 45 =
  5. 5.84 + 85 + 62 + 60 =
  6. 6.78 + 14 + 22 + 13 =
  7. 7.80 + 61 + 88 + 21 =
  8. 8.34 + 65 + 33 + 87 =
  9. 9.22 + 22 + 84 + 52 =
  10. 10.81 + 72 + 55 + 49 =
  11. 11.75 + 73 + 65 + 38 =
  12. 12.54 + 83 + 82 + 24 =
  13. 13.21 + 24 + 18 + 13 =
  14. 14.29 + 16 + 34 + 39 =
  15. 15.72 + 81 + 24 + 58 =
  16. 16.31 + 60 + 76 + 71 =
  17. 17.37 + 87 + 11 + 54 =
  18. 18.43 + 47 + 82 + 12 =
  19. 19.57 + 39 + 47 + 42 =
  20. 20.13 + 51 + 23 + 54 =
  21. 21.89 + 77 + 38 + 24 =
  22. 22.18 + 45 + 85 + 61 =
  23. 23.29 + 60 + 72 + 15 =
  24. 24.29 + 50 + 43 + 86 =
  25. 25.80 + 18 + 81 + 37 =
  26. 26.73 + 51 + 38 + 58 =
  27. 27.18 + 72 + 68 + 15 =
  28. 28.20 + 11 + 21 + 33 =
  29. 29.89 + 44 + 43 + 61 =
  30. 30.65 + 24 + 57 + 48 =
  31. 31.46 + 15 + 52 + 59 =
  32. 32.44 + 28 + 79 + 54 =
  33. 33.79 + 21 + 29 + 42 =
  34. 34.39 + 75 + 50 + 69 =
  35. 35.67 + 61 + 23 + 81 =
  36. 36.27 + 19 + 41 + 18 =
  37. 37.52 + 15 + 14 + 23 =
  38. 38.46 + 63 + 74 + 34 =
  39. 39.52 + 65 + 35 + 20 =
  40. 40.31 + 26 + 32 + 39 =

Answer key

  1. 172
  2. 164
  3. 114
  4. 222
  5. 291
  6. 127
  7. 250
  8. 219
  9. 180
  10. 257
  11. 251
  12. 243
  13. 76
  14. 118
  15. 235
  16. 238
  17. 189
  18. 184
  19. 185
  20. 141
  21. 228
  22. 209
  23. 176
  24. 208
  25. 216
  26. 220
  27. 173
  28. 85
  29. 237
  30. 194
  31. 172
  32. 205
  33. 171
  34. 233
  35. 232
  36. 105
  37. 104
  38. 217
  39. 172
  40. 128

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