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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 997 · 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 68983 =
  2. 2.Digital root of 99 × 75 =
  3. 3.Digital root of 82488 =
  4. 4.Digital root of 26731 =
  5. 5.Digital root of 79 × 61 =
  6. 6.Digital root of 144 =
  7. 7.Digital root of 25 × 53 =
  8. 8.Digital root of 6573 =
  9. 9.Digital root of 26 × 14 =
  10. 10.Digital root of 14 × 47 =
  11. 11.Digital root of 41 × 45 =
  12. 12.Digital root of 54623 =
  13. 13.Digital root of 41 × 54 =
  14. 14.Digital root of 87 × 65 =
  15. 15.Digital root of 26222 =
  16. 16.Digital root of 88635 =
  17. 17.Digital root of 56742 =
  18. 18.Digital root of 85 × 40 =
  19. 19.Digital root of 29562 =
  20. 20.Digital root of 81 × 44 =
  21. 21.Digital root of 39307 =
  22. 22.Digital root of 83742 =
  23. 23.Digital root of 13 × 26 =
  24. 24.Digital root of 47 × 37 =
  25. 25.Digital root of 28980 =
  26. 26.Digital root of 31 × 94 =
  27. 27.Digital root of 91470 =
  28. 28.Digital root of 24 × 23 =
  29. 29.Digital root of 73448 =
  30. 30.Digital root of 98 × 36 =
  31. 31.Digital root of 38 × 79 =
  32. 32.Digital root of 19579 =
  33. 33.Digital root of 46382 =
  34. 34.Digital root of 32 × 16 =
  35. 35.Digital root of 65 × 81 =
  36. 36.Digital root of 83 × 88 =
  37. 37.Digital root of 55082 =
  38. 38.Digital root of 26765 =
  39. 39.Digital root of 98315 =
  40. 40.Digital root of 55 × 45 =

Answer key

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

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