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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 13 · 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 14674 =
  2. 2.Digital root of 5770 =
  3. 3.Digital root of 21 × 35 =
  4. 4.Digital root of 18642 =
  5. 5.Digital root of 90 × 76 =
  6. 6.Digital root of 45654 =
  7. 7.Digital root of 5015 =
  8. 8.Digital root of 51891 =
  9. 9.Digital root of 93 × 94 =
  10. 10.Digital root of 10465 =
  11. 11.Digital root of 21 × 40 =
  12. 12.Digital root of 52 × 77 =
  13. 13.Digital root of 66 × 31 =
  14. 14.Digital root of 57346 =
  15. 15.Digital root of 20 × 98 =
  16. 16.Digital root of 73 × 24 =
  17. 17.Digital root of 36667 =
  18. 18.Digital root of 81913 =
  19. 19.Digital root of 56064 =
  20. 20.Digital root of 59 × 97 =
  21. 21.Digital root of 49 × 35 =
  22. 22.Digital root of 44980 =
  23. 23.Digital root of 24053 =
  24. 24.Digital root of 61416 =
  25. 25.Digital root of 46 × 67 =
  26. 26.Digital root of 95 × 84 =
  27. 27.Digital root of 16136 =
  28. 28.Digital root of 15 × 35 =
  29. 29.Digital root of 23 × 28 =
  30. 30.Digital root of 55021 =
  31. 31.Digital root of 18 × 78 =
  32. 32.Digital root of 66913 =
  33. 33.Digital root of 58597 =
  34. 34.Digital root of 67524 =
  35. 35.Digital root of 79 × 27 =
  36. 36.Digital root of 11017 =
  37. 37.Digital root of 52850 =
  38. 38.Digital root of 57750 =
  39. 39.Digital root of 20049 =
  40. 40.Digital root of 17 × 46 =

Answer key

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

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