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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 226 · 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 6284 =
  2. 2.Digital root of 64202 =
  3. 3.Digital root of 48767 =
  4. 4.Digital root of 63 × 40 =
  5. 5.Digital root of 89 × 32 =
  6. 6.Digital root of 97 × 35 =
  7. 7.Digital root of 77325 =
  8. 8.Digital root of 45042 =
  9. 9.Digital root of 18 × 40 =
  10. 10.Digital root of 13 × 30 =
  11. 11.Digital root of 96105 =
  12. 12.Digital root of 98995 =
  13. 13.Digital root of 59390 =
  14. 14.Digital root of 11888 =
  15. 15.Digital root of 55602 =
  16. 16.Digital root of 35 × 81 =
  17. 17.Digital root of 75 × 68 =
  18. 18.Digital root of 23088 =
  19. 19.Digital root of 82 × 79 =
  20. 20.Digital root of 55 × 60 =
  21. 21.Digital root of 36839 =
  22. 22.Digital root of 3656 =
  23. 23.Digital root of 49640 =
  24. 24.Digital root of 25 × 48 =
  25. 25.Digital root of 33686 =
  26. 26.Digital root of 22804 =
  27. 27.Digital root of 35 × 74 =
  28. 28.Digital root of 83512 =
  29. 29.Digital root of 64667 =
  30. 30.Digital root of 35 × 45 =
  31. 31.Digital root of 4474 =
  32. 32.Digital root of 72 × 72 =
  33. 33.Digital root of 50995 =
  34. 34.Digital root of 40587 =
  35. 35.Digital root of 17 × 63 =
  36. 36.Digital root of 75507 =
  37. 37.Digital root of 34 × 94 =
  38. 38.Digital root of 66 × 45 =
  39. 39.Digital root of 17 × 76 =
  40. 40.Digital root of 69111 =

Answer key

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

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