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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 314 · 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 92224 =
  2. 2.Digital root of 40 × 26 =
  3. 3.Digital root of 5006 =
  4. 4.Digital root of 29 × 87 =
  5. 5.Digital root of 13737 =
  6. 6.Digital root of 57 × 88 =
  7. 7.Digital root of 96 × 54 =
  8. 8.Digital root of 6163 =
  9. 9.Digital root of 75 × 39 =
  10. 10.Digital root of 61 × 78 =
  11. 11.Digital root of 49 × 26 =
  12. 12.Digital root of 38934 =
  13. 13.Digital root of 45 × 61 =
  14. 14.Digital root of 34 × 16 =
  15. 15.Digital root of 61 × 42 =
  16. 16.Digital root of 45863 =
  17. 17.Digital root of 24 × 45 =
  18. 18.Digital root of 88507 =
  19. 19.Digital root of 63463 =
  20. 20.Digital root of 92 × 40 =
  21. 21.Digital root of 2566 =
  22. 22.Digital root of 84 × 93 =
  23. 23.Digital root of 36500 =
  24. 24.Digital root of 75378 =
  25. 25.Digital root of 74 × 28 =
  26. 26.Digital root of 25248 =
  27. 27.Digital root of 59 × 84 =
  28. 28.Digital root of 63493 =
  29. 29.Digital root of 47027 =
  30. 30.Digital root of 12 × 97 =
  31. 31.Digital root of 57 × 15 =
  32. 32.Digital root of 41703 =
  33. 33.Digital root of 33925 =
  34. 34.Digital root of 36 × 81 =
  35. 35.Digital root of 21867 =
  36. 36.Digital root of 51622 =
  37. 37.Digital root of 95 × 40 =
  38. 38.Digital root of 82232 =
  39. 39.Digital root of 68902 =
  40. 40.Digital root of 14 × 37 =

Answer key

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

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