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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 325 · 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 74757 =
  2. 2.Digital root of 23319 =
  3. 3.Digital root of 2513 =
  4. 4.Digital root of 73 × 75 =
  5. 5.Digital root of 73 × 21 =
  6. 6.Digital root of 20899 =
  7. 7.Digital root of 89193 =
  8. 8.Digital root of 87 × 32 =
  9. 9.Digital root of 3418 =
  10. 10.Digital root of 18267 =
  11. 11.Digital root of 26265 =
  12. 12.Digital root of 37 × 93 =
  13. 13.Digital root of 42 × 50 =
  14. 14.Digital root of 69418 =
  15. 15.Digital root of 49263 =
  16. 16.Digital root of 79 × 28 =
  17. 17.Digital root of 23005 =
  18. 18.Digital root of 17334 =
  19. 19.Digital root of 13493 =
  20. 20.Digital root of 66839 =
  21. 21.Digital root of 22 × 48 =
  22. 22.Digital root of 36 × 14 =
  23. 23.Digital root of 5485 =
  24. 24.Digital root of 28 × 59 =
  25. 25.Digital root of 75202 =
  26. 26.Digital root of 95594 =
  27. 27.Digital root of 43 × 58 =
  28. 28.Digital root of 2159 =
  29. 29.Digital root of 84 × 77 =
  30. 30.Digital root of 81451 =
  31. 31.Digital root of 68 × 21 =
  32. 32.Digital root of 56250 =
  33. 33.Digital root of 89385 =
  34. 34.Digital root of 53 × 90 =
  35. 35.Digital root of 91521 =
  36. 36.Digital root of 83 × 53 =
  37. 37.Digital root of 67110 =
  38. 38.Digital root of 91911 =
  39. 39.Digital root of 52 × 37 =
  40. 40.Digital root of 37887 =

Answer key

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

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