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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 819 · 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 26 × 33 =
  2. 2.Digital root of 19761 =
  3. 3.Digital root of 21148 =
  4. 4.Digital root of 30085 =
  5. 5.Digital root of 88 × 49 =
  6. 6.Digital root of 80 × 66 =
  7. 7.Digital root of 22 × 55 =
  8. 8.Digital root of 96905 =
  9. 9.Digital root of 11610 =
  10. 10.Digital root of 25 × 56 =
  11. 11.Digital root of 42 × 18 =
  12. 12.Digital root of 19266 =
  13. 13.Digital root of 90712 =
  14. 14.Digital root of 42 × 88 =
  15. 15.Digital root of 28031 =
  16. 16.Digital root of 60 × 90 =
  17. 17.Digital root of 34 × 68 =
  18. 18.Digital root of 62565 =
  19. 19.Digital root of 19 × 94 =
  20. 20.Digital root of 98 × 81 =
  21. 21.Digital root of 21 × 96 =
  22. 22.Digital root of 32040 =
  23. 23.Digital root of 97 × 38 =
  24. 24.Digital root of 98 × 93 =
  25. 25.Digital root of 8288 =
  26. 26.Digital root of 873 =
  27. 27.Digital root of 28 × 48 =
  28. 28.Digital root of 92581 =
  29. 29.Digital root of 8554 =
  30. 30.Digital root of 74 × 47 =
  31. 31.Digital root of 31733 =
  32. 32.Digital root of 81 × 83 =
  33. 33.Digital root of 45458 =
  34. 34.Digital root of 61884 =
  35. 35.Digital root of 64 × 35 =
  36. 36.Digital root of 30 × 48 =
  37. 37.Digital root of 10942 =
  38. 38.Digital root of 80516 =
  39. 39.Digital root of 69433 =
  40. 40.Digital root of 26463 =

Answer key

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

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