← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 1 · 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. 1.49 + 89 + 41 + 58 =
  2. 2.32 + 12 + 82 + 13 =
  3. 3.29 + 82 + 87 + 74 =
  4. 4.35 + 87 + 51 + 78 =
  5. 5.37 + 69 + 13 + 78 =
  6. 6.49 + 51 + 37 + 51 =
  7. 7.55 + 23 + 16 + 58 =
  8. 8.20 + 43 + 65 + 21 =
  9. 9.49 + 31 + 26 + 12 =
  10. 10.22 + 37 + 59 + 24 =
  11. 11.42 + 66 + 11 + 31 =
  12. 12.46 + 32 + 30 + 27 =
  13. 13.21 + 48 + 86 + 14 =
  14. 14.49 + 25 + 27 + 88 =
  15. 15.45 + 25 + 55 + 39 =
  16. 16.61 + 29 + 17 + 41 =
  17. 17.36 + 14 + 51 + 80 =
  18. 18.43 + 83 + 38 + 82 =
  19. 19.24 + 72 + 68 + 48 =
  20. 20.51 + 36 + 74 + 41 =
  21. 21.76 + 71 + 32 + 37 =
  22. 22.43 + 36 + 75 + 58 =
  23. 23.20 + 15 + 55 + 65 =
  24. 24.67 + 70 + 21 + 75 =
  25. 25.15 + 39 + 20 + 68 =
  26. 26.12 + 33 + 86 + 62 =
  27. 27.37 + 41 + 79 + 54 =
  28. 28.55 + 30 + 51 + 12 =
  29. 29.72 + 11 + 18 + 31 =
  30. 30.84 + 84 + 47 + 87 =
  31. 31.16 + 59 + 13 + 40 =
  32. 32.55 + 22 + 63 + 23 =
  33. 33.80 + 66 + 63 + 87 =
  34. 34.54 + 45 + 83 + 14 =
  35. 35.27 + 13 + 21 + 49 =
  36. 36.13 + 36 + 58 + 38 =
  37. 37.74 + 33 + 58 + 19 =
  38. 38.29 + 85 + 32 + 62 =
  39. 39.53 + 18 + 78 + 78 =
  40. 40.15 + 75 + 31 + 12 =

Answer key

  1. 237
  2. 139
  3. 272
  4. 251
  5. 197
  6. 188
  7. 152
  8. 149
  9. 118
  10. 142
  11. 150
  12. 135
  13. 169
  14. 189
  15. 164
  16. 148
  17. 181
  18. 246
  19. 212
  20. 202
  21. 216
  22. 212
  23. 155
  24. 233
  25. 142
  26. 193
  27. 211
  28. 148
  29. 132
  30. 302
  31. 128
  32. 163
  33. 296
  34. 196
  35. 110
  36. 145
  37. 184
  38. 208
  39. 227
  40. 133

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