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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 425 · 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 50034 =
  2. 2.Digital root of 64 × 53 =
  3. 3.Digital root of 5079 =
  4. 4.Digital root of 16 × 22 =
  5. 5.Digital root of 92437 =
  6. 6.Digital root of 26 × 55 =
  7. 7.Digital root of 95 × 69 =
  8. 8.Digital root of 42 × 43 =
  9. 9.Digital root of 60 × 41 =
  10. 10.Digital root of 49 × 24 =
  11. 11.Digital root of 36 × 78 =
  12. 12.Digital root of 24630 =
  13. 13.Digital root of 26266 =
  14. 14.Digital root of 95 × 31 =
  15. 15.Digital root of 74 × 91 =
  16. 16.Digital root of 45 × 34 =
  17. 17.Digital root of 84 × 34 =
  18. 18.Digital root of 96 × 48 =
  19. 19.Digital root of 88955 =
  20. 20.Digital root of 15 × 86 =
  21. 21.Digital root of 3561 =
  22. 22.Digital root of 96357 =
  23. 23.Digital root of 69960 =
  24. 24.Digital root of 84987 =
  25. 25.Digital root of 7657 =
  26. 26.Digital root of 58 × 96 =
  27. 27.Digital root of 28578 =
  28. 28.Digital root of 63527 =
  29. 29.Digital root of 46779 =
  30. 30.Digital root of 30560 =
  31. 31.Digital root of 85 × 99 =
  32. 32.Digital root of 77 × 74 =
  33. 33.Digital root of 22 × 82 =
  34. 34.Digital root of 92743 =
  35. 35.Digital root of 99088 =
  36. 36.Digital root of 19682 =
  37. 37.Digital root of 95 × 66 =
  38. 38.Digital root of 1856 =
  39. 39.Digital root of 19270 =
  40. 40.Digital root of 51739 =

Answer key

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

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