← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 569 · 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. 1.73 + 39 + 15 + 23 =
  2. 2.43 + 50 + 84 + 51 =
  3. 3.50 + 15 + 81 + 42 =
  4. 4.28 + 81 + 51 + 71 =
  5. 5.60 + 66 + 57 + 54 =
  6. 6.57 + 68 + 59 + 28 =
  7. 7.86 + 26 + 26 + 68 =
  8. 8.40 + 19 + 18 + 64 =
  9. 9.32 + 32 + 41 + 71 =
  10. 10.86 + 82 + 14 + 44 =
  11. 11.22 + 26 + 53 + 29 =
  12. 12.76 + 32 + 80 + 20 =
  13. 13.23 + 58 + 39 + 81 =
  14. 14.57 + 61 + 48 + 31 =
  15. 15.45 + 47 + 18 + 76 =
  16. 16.80 + 71 + 71 + 78 =
  17. 17.64 + 75 + 40 + 22 =
  18. 18.80 + 72 + 65 + 26 =
  19. 19.47 + 49 + 33 + 67 =
  20. 20.45 + 77 + 38 + 67 =
  21. 21.81 + 33 + 60 + 24 =
  22. 22.13 + 47 + 74 + 50 =
  23. 23.42 + 69 + 53 + 50 =
  24. 24.64 + 14 + 57 + 37 =
  25. 25.59 + 50 + 57 + 88 =
  26. 26.73 + 28 + 83 + 49 =
  27. 27.30 + 38 + 46 + 40 =
  28. 28.78 + 41 + 44 + 11 =
  29. 29.39 + 58 + 20 + 31 =
  30. 30.55 + 41 + 63 + 36 =
  31. 31.16 + 38 + 49 + 78 =
  32. 32.63 + 37 + 41 + 38 =
  33. 33.86 + 58 + 60 + 54 =
  34. 34.72 + 83 + 63 + 40 =
  35. 35.19 + 83 + 21 + 83 =
  36. 36.82 + 21 + 89 + 86 =
  37. 37.72 + 31 + 39 + 78 =
  38. 38.46 + 89 + 71 + 24 =
  39. 39.28 + 83 + 39 + 43 =
  40. 40.43 + 72 + 23 + 44 =

Answer key

  1. 150
  2. 228
  3. 188
  4. 231
  5. 237
  6. 212
  7. 206
  8. 141
  9. 176
  10. 226
  11. 130
  12. 208
  13. 201
  14. 197
  15. 186
  16. 300
  17. 201
  18. 243
  19. 196
  20. 227
  21. 198
  22. 184
  23. 214
  24. 172
  25. 254
  26. 233
  27. 154
  28. 174
  29. 148
  30. 195
  31. 181
  32. 179
  33. 258
  34. 258
  35. 206
  36. 278
  37. 220
  38. 230
  39. 193
  40. 182

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