← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 862 · 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. 1.86 + 66 + 66 + 13 =
  2. 2.31 + 53 + 17 + 47 =
  3. 3.43 + 22 + 33 + 32 =
  4. 4.22 + 64 + 81 + 88 =
  5. 5.63 + 67 + 46 + 53 =
  6. 6.29 + 58 + 57 + 36 =
  7. 7.24 + 83 + 38 + 23 =
  8. 8.31 + 66 + 33 + 25 =
  9. 9.14 + 62 + 60 + 31 =
  10. 10.51 + 23 + 84 + 46 =
  11. 11.50 + 13 + 11 + 86 =
  12. 12.57 + 19 + 70 + 73 =
  13. 13.18 + 61 + 52 + 67 =
  14. 14.72 + 11 + 66 + 70 =
  15. 15.78 + 17 + 14 + 57 =
  16. 16.34 + 16 + 37 + 27 =
  17. 17.43 + 25 + 58 + 64 =
  18. 18.35 + 28 + 11 + 53 =
  19. 19.26 + 29 + 24 + 57 =
  20. 20.35 + 75 + 57 + 68 =
  21. 21.19 + 22 + 73 + 53 =
  22. 22.81 + 14 + 66 + 89 =
  23. 23.78 + 54 + 58 + 20 =
  24. 24.57 + 51 + 14 + 21 =
  25. 25.27 + 87 + 42 + 13 =
  26. 26.36 + 57 + 25 + 39 =
  27. 27.26 + 45 + 78 + 55 =
  28. 28.12 + 51 + 27 + 39 =
  29. 29.25 + 20 + 60 + 23 =
  30. 30.33 + 20 + 83 + 20 =
  31. 31.19 + 82 + 71 + 40 =
  32. 32.51 + 65 + 50 + 80 =
  33. 33.58 + 31 + 44 + 55 =
  34. 34.16 + 22 + 58 + 33 =
  35. 35.55 + 33 + 71 + 41 =
  36. 36.40 + 43 + 82 + 48 =
  37. 37.67 + 20 + 68 + 48 =
  38. 38.20 + 15 + 87 + 31 =
  39. 39.66 + 73 + 84 + 23 =
  40. 40.86 + 74 + 71 + 21 =

Answer key

  1. 231
  2. 148
  3. 130
  4. 255
  5. 229
  6. 180
  7. 168
  8. 155
  9. 167
  10. 204
  11. 160
  12. 219
  13. 198
  14. 219
  15. 166
  16. 114
  17. 190
  18. 127
  19. 136
  20. 235
  21. 167
  22. 250
  23. 210
  24. 143
  25. 169
  26. 157
  27. 204
  28. 129
  29. 128
  30. 156
  31. 212
  32. 246
  33. 188
  34. 129
  35. 200
  36. 213
  37. 203
  38. 153
  39. 246
  40. 252

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