← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 654 · 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. 1.25 + 60 + 43 + 19 =
  2. 2.62 + 60 + 28 + 12 =
  3. 3.17 + 60 + 27 + 31 =
  4. 4.11 + 80 + 18 + 37 =
  5. 5.22 + 71 + 43 + 47 =
  6. 6.27 + 82 + 40 + 23 =
  7. 7.78 + 56 + 66 + 32 =
  8. 8.16 + 53 + 44 + 40 =
  9. 9.66 + 15 + 24 + 15 =
  10. 10.38 + 12 + 36 + 60 =
  11. 11.65 + 40 + 36 + 69 =
  12. 12.51 + 86 + 47 + 68 =
  13. 13.34 + 13 + 18 + 33 =
  14. 14.23 + 28 + 69 + 54 =
  15. 15.44 + 59 + 62 + 11 =
  16. 16.72 + 66 + 16 + 83 =
  17. 17.69 + 79 + 77 + 17 =
  18. 18.18 + 56 + 67 + 83 =
  19. 19.52 + 63 + 19 + 60 =
  20. 20.59 + 30 + 73 + 89 =
  21. 21.72 + 49 + 49 + 83 =
  22. 22.69 + 52 + 80 + 52 =
  23. 23.34 + 88 + 34 + 66 =
  24. 24.12 + 21 + 16 + 38 =
  25. 25.64 + 26 + 70 + 64 =
  26. 26.27 + 21 + 64 + 21 =
  27. 27.63 + 23 + 45 + 15 =
  28. 28.53 + 20 + 16 + 13 =
  29. 29.43 + 88 + 75 + 49 =
  30. 30.84 + 39 + 13 + 23 =
  31. 31.84 + 87 + 17 + 57 =
  32. 32.63 + 23 + 46 + 76 =
  33. 33.60 + 38 + 65 + 41 =
  34. 34.59 + 65 + 71 + 69 =
  35. 35.77 + 65 + 30 + 24 =
  36. 36.74 + 81 + 54 + 63 =
  37. 37.12 + 15 + 11 + 13 =
  38. 38.76 + 89 + 17 + 13 =
  39. 39.48 + 77 + 48 + 83 =
  40. 40.38 + 41 + 43 + 30 =

Answer key

  1. 147
  2. 162
  3. 135
  4. 146
  5. 183
  6. 172
  7. 232
  8. 153
  9. 120
  10. 146
  11. 210
  12. 252
  13. 98
  14. 174
  15. 176
  16. 237
  17. 242
  18. 224
  19. 194
  20. 251
  21. 253
  22. 253
  23. 222
  24. 87
  25. 224
  26. 133
  27. 146
  28. 102
  29. 255
  30. 159
  31. 245
  32. 208
  33. 204
  34. 264
  35. 196
  36. 272
  37. 51
  38. 195
  39. 256
  40. 152

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