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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 272 · 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 47496 =
  2. 2.Digital root of 21 × 26 =
  3. 3.Digital root of 81104 =
  4. 4.Digital root of 38 × 82 =
  5. 5.Digital root of 80 × 25 =
  6. 6.Digital root of 16 × 60 =
  7. 7.Digital root of 930 =
  8. 8.Digital root of 3933 =
  9. 9.Digital root of 78022 =
  10. 10.Digital root of 33 × 58 =
  11. 11.Digital root of 77 × 63 =
  12. 12.Digital root of 76887 =
  13. 13.Digital root of 47499 =
  14. 14.Digital root of 40 × 54 =
  15. 15.Digital root of 61715 =
  16. 16.Digital root of 20854 =
  17. 17.Digital root of 46740 =
  18. 18.Digital root of 62 × 82 =
  19. 19.Digital root of 90 × 61 =
  20. 20.Digital root of 94 × 42 =
  21. 21.Digital root of 23841 =
  22. 22.Digital root of 84364 =
  23. 23.Digital root of 46 × 74 =
  24. 24.Digital root of 70 × 87 =
  25. 25.Digital root of 52478 =
  26. 26.Digital root of 27268 =
  27. 27.Digital root of 32 × 22 =
  28. 28.Digital root of 13223 =
  29. 29.Digital root of 74 × 69 =
  30. 30.Digital root of 77354 =
  31. 31.Digital root of 66 × 14 =
  32. 32.Digital root of 39 × 33 =
  33. 33.Digital root of 69 × 86 =
  34. 34.Digital root of 39244 =
  35. 35.Digital root of 24066 =
  36. 36.Digital root of 38826 =
  37. 37.Digital root of 49 × 96 =
  38. 38.Digital root of 77 × 76 =
  39. 39.Digital root of 75092 =
  40. 40.Digital root of 19452 =

Answer key

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

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