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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 404 · 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 32 × 23 =
  2. 2.Digital root of 56026 =
  3. 3.Digital root of 52586 =
  4. 4.Digital root of 31581 =
  5. 5.Digital root of 89037 =
  6. 6.Digital root of 74097 =
  7. 7.Digital root of 75 × 56 =
  8. 8.Digital root of 42 × 33 =
  9. 9.Digital root of 83 × 44 =
  10. 10.Digital root of 60850 =
  11. 11.Digital root of 75338 =
  12. 12.Digital root of 81 × 25 =
  13. 13.Digital root of 77 × 46 =
  14. 14.Digital root of 27522 =
  15. 15.Digital root of 83 × 77 =
  16. 16.Digital root of 44941 =
  17. 17.Digital root of 31421 =
  18. 18.Digital root of 83 × 37 =
  19. 19.Digital root of 62 × 22 =
  20. 20.Digital root of 87942 =
  21. 21.Digital root of 4852 =
  22. 22.Digital root of 40 × 91 =
  23. 23.Digital root of 78421 =
  24. 24.Digital root of 93388 =
  25. 25.Digital root of 55201 =
  26. 26.Digital root of 18268 =
  27. 27.Digital root of 90611 =
  28. 28.Digital root of 97488 =
  29. 29.Digital root of 12 × 38 =
  30. 30.Digital root of 64 × 52 =
  31. 31.Digital root of 97 × 78 =
  32. 32.Digital root of 94 × 78 =
  33. 33.Digital root of 17288 =
  34. 34.Digital root of 12065 =
  35. 35.Digital root of 99886 =
  36. 36.Digital root of 94763 =
  37. 37.Digital root of 40274 =
  38. 38.Digital root of 73766 =
  39. 39.Digital root of 82577 =
  40. 40.Digital root of 35 × 70 =

Answer key

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

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