← Running totals lesson New set →

Mental Addition Worksheet

Speed calculation lesson 5: Running totals · Set 29 · 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. 1.75 + 44 + 84 + 78 =
  2. 2.42 + 18 + 88 + 37 =
  3. 3.40 + 61 + 77 + 71 =
  4. 4.68 + 24 + 63 + 11 =
  5. 5.64 + 73 + 42 + 88 =
  6. 6.42 + 74 + 17 + 85 =
  7. 7.70 + 24 + 23 + 75 =
  8. 8.40 + 80 + 62 + 12 =
  9. 9.53 + 22 + 74 + 78 =
  10. 10.76 + 25 + 50 + 59 =
  11. 11.35 + 53 + 24 + 79 =
  12. 12.62 + 37 + 12 + 78 =
  13. 13.14 + 14 + 85 + 25 =
  14. 14.80 + 32 + 36 + 86 =
  15. 15.60 + 76 + 78 + 42 =
  16. 16.57 + 79 + 12 + 69 =
  17. 17.35 + 17 + 15 + 20 =
  18. 18.55 + 51 + 32 + 66 =
  19. 19.73 + 12 + 12 + 12 =
  20. 20.19 + 59 + 29 + 66 =
  21. 21.62 + 65 + 21 + 75 =
  22. 22.43 + 78 + 23 + 38 =
  23. 23.49 + 72 + 89 + 28 =
  24. 24.19 + 60 + 88 + 20 =
  25. 25.79 + 42 + 75 + 25 =
  26. 26.20 + 57 + 18 + 32 =
  27. 27.12 + 73 + 33 + 27 =
  28. 28.30 + 30 + 38 + 43 =
  29. 29.73 + 81 + 29 + 54 =
  30. 30.34 + 77 + 60 + 21 =
  31. 31.88 + 84 + 72 + 86 =
  32. 32.37 + 34 + 83 + 44 =
  33. 33.71 + 56 + 41 + 85 =
  34. 34.51 + 74 + 84 + 79 =
  35. 35.43 + 58 + 62 + 43 =
  36. 36.22 + 74 + 33 + 72 =
  37. 37.21 + 32 + 78 + 83 =
  38. 38.32 + 21 + 27 + 28 =
  39. 39.27 + 45 + 87 + 89 =
  40. 40.11 + 65 + 19 + 44 =

Answer key

  1. 281
  2. 185
  3. 249
  4. 166
  5. 267
  6. 218
  7. 192
  8. 194
  9. 227
  10. 210
  11. 191
  12. 189
  13. 138
  14. 234
  15. 256
  16. 217
  17. 87
  18. 204
  19. 109
  20. 173
  21. 223
  22. 182
  23. 238
  24. 187
  25. 221
  26. 127
  27. 145
  28. 141
  29. 237
  30. 192
  31. 330
  32. 198
  33. 253
  34. 288
  35. 206
  36. 201
  37. 214
  38. 108
  39. 248
  40. 139

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