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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 201 · 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 27025 =
  2. 2.Digital root of 58 × 44 =
  3. 3.Digital root of 54115 =
  4. 4.Digital root of 84383 =
  5. 5.Digital root of 93 × 67 =
  6. 6.Digital root of 88900 =
  7. 7.Digital root of 46 × 93 =
  8. 8.Digital root of 24027 =
  9. 9.Digital root of 62640 =
  10. 10.Digital root of 33 × 95 =
  11. 11.Digital root of 54 × 30 =
  12. 12.Digital root of 93 × 31 =
  13. 13.Digital root of 34354 =
  14. 14.Digital root of 86 × 34 =
  15. 15.Digital root of 39 × 81 =
  16. 16.Digital root of 60039 =
  17. 17.Digital root of 30 × 76 =
  18. 18.Digital root of 24511 =
  19. 19.Digital root of 83 × 84 =
  20. 20.Digital root of 61705 =
  21. 21.Digital root of 65197 =
  22. 22.Digital root of 49 × 56 =
  23. 23.Digital root of 87008 =
  24. 24.Digital root of 95579 =
  25. 25.Digital root of 4066 =
  26. 26.Digital root of 36125 =
  27. 27.Digital root of 33 × 89 =
  28. 28.Digital root of 21795 =
  29. 29.Digital root of 67 × 63 =
  30. 30.Digital root of 66137 =
  31. 31.Digital root of 69 × 75 =
  32. 32.Digital root of 42481 =
  33. 33.Digital root of 98 × 37 =
  34. 34.Digital root of 13585 =
  35. 35.Digital root of 77246 =
  36. 36.Digital root of 38 × 47 =
  37. 37.Digital root of 70 × 98 =
  38. 38.Digital root of 77712 =
  39. 39.Digital root of 67 × 92 =
  40. 40.Digital root of 19597 =

Answer key

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

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