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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 124 · 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 98462 =
  2. 2.Digital root of 29245 =
  3. 3.Digital root of 52 × 15 =
  4. 4.Digital root of 22957 =
  5. 5.Digital root of 13 × 68 =
  6. 6.Digital root of 96346 =
  7. 7.Digital root of 56739 =
  8. 8.Digital root of 21968 =
  9. 9.Digital root of 82 × 22 =
  10. 10.Digital root of 37349 =
  11. 11.Digital root of 54910 =
  12. 12.Digital root of 96 × 21 =
  13. 13.Digital root of 20051 =
  14. 14.Digital root of 61 × 74 =
  15. 15.Digital root of 34 × 68 =
  16. 16.Digital root of 66 × 89 =
  17. 17.Digital root of 25280 =
  18. 18.Digital root of 27 × 20 =
  19. 19.Digital root of 67 × 31 =
  20. 20.Digital root of 12 × 84 =
  21. 21.Digital root of 27 × 41 =
  22. 22.Digital root of 51243 =
  23. 23.Digital root of 64 × 26 =
  24. 24.Digital root of 62 × 27 =
  25. 25.Digital root of 12 × 25 =
  26. 26.Digital root of 39627 =
  27. 27.Digital root of 13470 =
  28. 28.Digital root of 89858 =
  29. 29.Digital root of 7735 =
  30. 30.Digital root of 37964 =
  31. 31.Digital root of 69 × 31 =
  32. 32.Digital root of 43711 =
  33. 33.Digital root of 3934 =
  34. 34.Digital root of 35 × 29 =
  35. 35.Digital root of 32 × 45 =
  36. 36.Digital root of 35 × 87 =
  37. 37.Digital root of 24672 =
  38. 38.Digital root of 52 × 74 =
  39. 39.Digital root of 94959 =
  40. 40.Digital root of 64433 =

Answer key

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

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