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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 965 · 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 94 × 36 =
  2. 2.Digital root of 41 × 23 =
  3. 3.Digital root of 50 × 33 =
  4. 4.Digital root of 19695 =
  5. 5.Digital root of 3646 =
  6. 6.Digital root of 59952 =
  7. 7.Digital root of 19 × 49 =
  8. 8.Digital root of 47 × 22 =
  9. 9.Digital root of 53548 =
  10. 10.Digital root of 96 × 82 =
  11. 11.Digital root of 54185 =
  12. 12.Digital root of 35 × 41 =
  13. 13.Digital root of 33 × 19 =
  14. 14.Digital root of 57522 =
  15. 15.Digital root of 75 × 84 =
  16. 16.Digital root of 75949 =
  17. 17.Digital root of 22 × 68 =
  18. 18.Digital root of 39351 =
  19. 19.Digital root of 52 × 48 =
  20. 20.Digital root of 50925 =
  21. 21.Digital root of 3986 =
  22. 22.Digital root of 13 × 92 =
  23. 23.Digital root of 17 × 79 =
  24. 24.Digital root of 82 × 31 =
  25. 25.Digital root of 29 × 13 =
  26. 26.Digital root of 32 × 50 =
  27. 27.Digital root of 79 × 56 =
  28. 28.Digital root of 17079 =
  29. 29.Digital root of 17 × 78 =
  30. 30.Digital root of 50 × 89 =
  31. 31.Digital root of 52803 =
  32. 32.Digital root of 80 × 75 =
  33. 33.Digital root of 22 × 77 =
  34. 34.Digital root of 37040 =
  35. 35.Digital root of 55788 =
  36. 36.Digital root of 40416 =
  37. 37.Digital root of 26 × 49 =
  38. 38.Digital root of 56 × 89 =
  39. 39.Digital root of 44 × 57 =
  40. 40.Digital root of 405 =

Answer key

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

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