← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 94 · 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. 1.30 + 12 + 69 + 69 =
  2. 2.66 + 68 + 33 + 81 =
  3. 3.69 + 72 + 64 + 31 =
  4. 4.19 + 23 + 42 + 20 =
  5. 5.32 + 87 + 25 + 57 =
  6. 6.71 + 52 + 20 + 69 =
  7. 7.37 + 16 + 84 + 80 =
  8. 8.29 + 69 + 81 + 19 =
  9. 9.36 + 33 + 23 + 17 =
  10. 10.22 + 52 + 34 + 12 =
  11. 11.11 + 18 + 28 + 81 =
  12. 12.27 + 62 + 47 + 26 =
  13. 13.38 + 85 + 76 + 28 =
  14. 14.83 + 40 + 41 + 44 =
  15. 15.14 + 20 + 60 + 66 =
  16. 16.50 + 25 + 60 + 15 =
  17. 17.31 + 54 + 26 + 84 =
  18. 18.43 + 53 + 21 + 44 =
  19. 19.41 + 14 + 77 + 22 =
  20. 20.31 + 20 + 69 + 40 =
  21. 21.56 + 68 + 35 + 34 =
  22. 22.63 + 11 + 59 + 19 =
  23. 23.17 + 39 + 42 + 32 =
  24. 24.82 + 54 + 44 + 14 =
  25. 25.17 + 68 + 37 + 20 =
  26. 26.30 + 42 + 41 + 61 =
  27. 27.27 + 57 + 33 + 36 =
  28. 28.69 + 43 + 82 + 28 =
  29. 29.48 + 24 + 24 + 20 =
  30. 30.64 + 72 + 66 + 24 =
  31. 31.34 + 13 + 59 + 42 =
  32. 32.30 + 12 + 45 + 19 =
  33. 33.14 + 16 + 56 + 69 =
  34. 34.56 + 45 + 28 + 77 =
  35. 35.43 + 62 + 31 + 59 =
  36. 36.36 + 40 + 86 + 25 =
  37. 37.57 + 63 + 67 + 30 =
  38. 38.37 + 53 + 79 + 75 =
  39. 39.44 + 86 + 51 + 73 =
  40. 40.20 + 30 + 64 + 73 =

Answer key

  1. 180
  2. 248
  3. 236
  4. 104
  5. 201
  6. 212
  7. 217
  8. 198
  9. 109
  10. 120
  11. 138
  12. 162
  13. 227
  14. 208
  15. 160
  16. 150
  17. 195
  18. 161
  19. 154
  20. 160
  21. 193
  22. 152
  23. 130
  24. 194
  25. 142
  26. 174
  27. 153
  28. 222
  29. 116
  30. 226
  31. 148
  32. 106
  33. 155
  34. 206
  35. 195
  36. 187
  37. 217
  38. 244
  39. 254
  40. 187

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