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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 783 · 40 sums
TalentJR

The trick (Gunita Samuccayah): Add the digits of a number; keep adding until one digit is left (a total of 9 stays 9). For a product, multiply the digital roots of the two numbers and take the digital root of that. If your answer’s digital root is different, the answer is wrong.

NameDateTime takenScore ___ / 40
  1. 1.Digital root of 99422 =
  2. 2.Digital root of 31 × 50 =
  3. 3.Digital root of 71 × 81 =
  4. 4.Digital root of 16548 =
  5. 5.Digital root of 75978 =
  6. 6.Digital root of 49291 =
  7. 7.Digital root of 22 × 73 =
  8. 8.Digital root of 40 × 77 =
  9. 9.Digital root of 23591 =
  10. 10.Digital root of 24784 =
  11. 11.Digital root of 72284 =
  12. 12.Digital root of 13837 =
  13. 13.Digital root of 98370 =
  14. 14.Digital root of 34 × 30 =
  15. 15.Digital root of 42 × 18 =
  16. 16.Digital root of 98062 =
  17. 17.Digital root of 13 × 35 =
  18. 18.Digital root of 23 × 77 =
  19. 19.Digital root of 14988 =
  20. 20.Digital root of 79295 =
  21. 21.Digital root of 12063 =
  22. 22.Digital root of 43881 =
  23. 23.Digital root of 18 × 33 =
  24. 24.Digital root of 91 × 82 =
  25. 25.Digital root of 9079 =
  26. 26.Digital root of 86095 =
  27. 27.Digital root of 39037 =
  28. 28.Digital root of 14937 =
  29. 29.Digital root of 73 × 35 =
  30. 30.Digital root of 95795 =
  31. 31.Digital root of 1824 =
  32. 32.Digital root of 86 × 96 =
  33. 33.Digital root of 71952 =
  34. 34.Digital root of 71210 =
  35. 35.Digital root of 53 × 39 =
  36. 36.Digital root of 21 × 36 =
  37. 37.Digital root of 5368 =
  38. 38.Digital root of 68826 =
  39. 39.Digital root of 29 × 96 =
  40. 40.Digital root of 33888 =

Answer key

  1. 8
  2. 2
  3. 9
  4. 6
  5. 9
  6. 7
  7. 4
  8. 2
  9. 2
  10. 7
  11. 5
  12. 4
  13. 9
  14. 3
  15. 9
  16. 7
  17. 5
  18. 7
  19. 3
  20. 5
  21. 3
  22. 6
  23. 9
  24. 1
  25. 7
  26. 1
  27. 4
  28. 6
  29. 8
  30. 8
  31. 6
  32. 3
  33. 6
  34. 2
  35. 6
  36. 9
  37. 4
  38. 3
  39. 3
  40. 3

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