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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 321 · 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 49859 =
  2. 2.Digital root of 79950 =
  3. 3.Digital root of 59 × 37 =
  4. 4.Digital root of 39641 =
  5. 5.Digital root of 52 × 33 =
  6. 6.Digital root of 74262 =
  7. 7.Digital root of 23220 =
  8. 8.Digital root of 24 × 27 =
  9. 9.Digital root of 20877 =
  10. 10.Digital root of 76628 =
  11. 11.Digital root of 59 × 15 =
  12. 12.Digital root of 74 × 52 =
  13. 13.Digital root of 1942 =
  14. 14.Digital root of 54759 =
  15. 15.Digital root of 61 × 28 =
  16. 16.Digital root of 82757 =
  17. 17.Digital root of 89907 =
  18. 18.Digital root of 87525 =
  19. 19.Digital root of 44391 =
  20. 20.Digital root of 98208 =
  21. 21.Digital root of 55 × 18 =
  22. 22.Digital root of 34846 =
  23. 23.Digital root of 37005 =
  24. 24.Digital root of 63964 =
  25. 25.Digital root of 21566 =
  26. 26.Digital root of 28356 =
  27. 27.Digital root of 48311 =
  28. 28.Digital root of 68461 =
  29. 29.Digital root of 17 × 85 =
  30. 30.Digital root of 57769 =
  31. 31.Digital root of 77023 =
  32. 32.Digital root of 77 × 59 =
  33. 33.Digital root of 88703 =
  34. 34.Digital root of 78 × 12 =
  35. 35.Digital root of 99 × 63 =
  36. 36.Digital root of 65 × 89 =
  37. 37.Digital root of 1525 =
  38. 38.Digital root of 1877 =
  39. 39.Digital root of 70637 =
  40. 40.Digital root of 29 × 55 =

Answer key

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

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