← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 385 · 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. 1.29 + 33 + 87 + 64 =
  2. 2.67 + 33 + 25 + 83 =
  3. 3.62 + 52 + 27 + 54 =
  4. 4.33 + 13 + 69 + 11 =
  5. 5.58 + 17 + 47 + 47 =
  6. 6.49 + 27 + 17 + 58 =
  7. 7.61 + 58 + 60 + 89 =
  8. 8.24 + 34 + 65 + 32 =
  9. 9.61 + 40 + 30 + 23 =
  10. 10.39 + 42 + 47 + 25 =
  11. 11.77 + 77 + 45 + 14 =
  12. 12.35 + 67 + 23 + 85 =
  13. 13.62 + 13 + 12 + 33 =
  14. 14.15 + 20 + 49 + 69 =
  15. 15.58 + 82 + 55 + 88 =
  16. 16.87 + 39 + 27 + 49 =
  17. 17.65 + 50 + 73 + 32 =
  18. 18.17 + 46 + 70 + 27 =
  19. 19.34 + 12 + 47 + 18 =
  20. 20.65 + 71 + 48 + 28 =
  21. 21.43 + 78 + 47 + 87 =
  22. 22.20 + 53 + 83 + 87 =
  23. 23.58 + 50 + 69 + 15 =
  24. 24.20 + 20 + 83 + 13 =
  25. 25.36 + 72 + 23 + 17 =
  26. 26.29 + 88 + 77 + 78 =
  27. 27.75 + 62 + 49 + 28 =
  28. 28.15 + 36 + 58 + 82 =
  29. 29.29 + 25 + 62 + 78 =
  30. 30.54 + 50 + 81 + 72 =
  31. 31.21 + 35 + 46 + 60 =
  32. 32.64 + 28 + 28 + 35 =
  33. 33.80 + 85 + 37 + 22 =
  34. 34.25 + 63 + 28 + 70 =
  35. 35.30 + 23 + 58 + 35 =
  36. 36.65 + 34 + 52 + 75 =
  37. 37.21 + 38 + 72 + 19 =
  38. 38.31 + 88 + 72 + 86 =
  39. 39.88 + 63 + 52 + 80 =
  40. 40.50 + 19 + 14 + 15 =

Answer key

  1. 213
  2. 208
  3. 195
  4. 126
  5. 169
  6. 151
  7. 268
  8. 155
  9. 154
  10. 153
  11. 213
  12. 210
  13. 120
  14. 153
  15. 283
  16. 202
  17. 220
  18. 160
  19. 111
  20. 212
  21. 255
  22. 243
  23. 192
  24. 136
  25. 148
  26. 272
  27. 214
  28. 191
  29. 194
  30. 257
  31. 162
  32. 155
  33. 224
  34. 186
  35. 146
  36. 226
  37. 150
  38. 277
  39. 283
  40. 98

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