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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 933 · 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 54367 =
  2. 2.Digital root of 52 × 83 =
  3. 3.Digital root of 15 × 95 =
  4. 4.Digital root of 90 × 81 =
  5. 5.Digital root of 11569 =
  6. 6.Digital root of 59 × 97 =
  7. 7.Digital root of 52 × 78 =
  8. 8.Digital root of 16 × 61 =
  9. 9.Digital root of 77 × 90 =
  10. 10.Digital root of 72037 =
  11. 11.Digital root of 66113 =
  12. 12.Digital root of 56 × 15 =
  13. 13.Digital root of 83264 =
  14. 14.Digital root of 82 × 19 =
  15. 15.Digital root of 95 × 97 =
  16. 16.Digital root of 48314 =
  17. 17.Digital root of 76156 =
  18. 18.Digital root of 42828 =
  19. 19.Digital root of 74 × 43 =
  20. 20.Digital root of 54876 =
  21. 21.Digital root of 6652 =
  22. 22.Digital root of 46350 =
  23. 23.Digital root of 91 × 65 =
  24. 24.Digital root of 75 × 44 =
  25. 25.Digital root of 39 × 33 =
  26. 26.Digital root of 69 × 52 =
  27. 27.Digital root of 40668 =
  28. 28.Digital root of 27316 =
  29. 29.Digital root of 61702 =
  30. 30.Digital root of 18928 =
  31. 31.Digital root of 33 × 89 =
  32. 32.Digital root of 36 × 67 =
  33. 33.Digital root of 50 × 53 =
  34. 34.Digital root of 18 × 52 =
  35. 35.Digital root of 36 × 12 =
  36. 36.Digital root of 58022 =
  37. 37.Digital root of 37633 =
  38. 38.Digital root of 55128 =
  39. 39.Digital root of 46210 =
  40. 40.Digital root of 63 × 84 =

Answer key

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

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