← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 737 · 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. 1.57 + 25 + 26 + 39 =
  2. 2.79 + 87 + 60 + 22 =
  3. 3.51 + 80 + 49 + 36 =
  4. 4.64 + 80 + 76 + 19 =
  5. 5.24 + 71 + 70 + 85 =
  6. 6.19 + 50 + 31 + 66 =
  7. 7.26 + 15 + 16 + 52 =
  8. 8.47 + 31 + 55 + 63 =
  9. 9.75 + 83 + 66 + 88 =
  10. 10.72 + 44 + 52 + 25 =
  11. 11.64 + 28 + 87 + 83 =
  12. 12.59 + 85 + 50 + 43 =
  13. 13.14 + 86 + 59 + 26 =
  14. 14.11 + 12 + 49 + 31 =
  15. 15.23 + 81 + 12 + 85 =
  16. 16.13 + 72 + 42 + 22 =
  17. 17.39 + 31 + 46 + 66 =
  18. 18.88 + 22 + 41 + 88 =
  19. 19.15 + 39 + 13 + 42 =
  20. 20.63 + 58 + 33 + 42 =
  21. 21.61 + 68 + 83 + 13 =
  22. 22.76 + 15 + 66 + 83 =
  23. 23.27 + 18 + 60 + 74 =
  24. 24.12 + 41 + 17 + 18 =
  25. 25.45 + 60 + 52 + 56 =
  26. 26.23 + 64 + 26 + 68 =
  27. 27.48 + 40 + 59 + 76 =
  28. 28.12 + 14 + 61 + 14 =
  29. 29.15 + 51 + 23 + 84 =
  30. 30.16 + 80 + 47 + 13 =
  31. 31.66 + 16 + 46 + 84 =
  32. 32.30 + 54 + 51 + 78 =
  33. 33.86 + 56 + 81 + 60 =
  34. 34.30 + 49 + 36 + 77 =
  35. 35.44 + 11 + 40 + 79 =
  36. 36.77 + 40 + 16 + 18 =
  37. 37.18 + 52 + 88 + 23 =
  38. 38.58 + 34 + 68 + 16 =
  39. 39.82 + 63 + 32 + 67 =
  40. 40.45 + 27 + 64 + 85 =

Answer key

  1. 147
  2. 248
  3. 216
  4. 239
  5. 250
  6. 166
  7. 109
  8. 196
  9. 312
  10. 193
  11. 262
  12. 237
  13. 185
  14. 103
  15. 201
  16. 149
  17. 182
  18. 239
  19. 109
  20. 196
  21. 225
  22. 240
  23. 179
  24. 88
  25. 213
  26. 181
  27. 223
  28. 101
  29. 173
  30. 156
  31. 212
  32. 213
  33. 283
  34. 192
  35. 174
  36. 151
  37. 181
  38. 176
  39. 244
  40. 221

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