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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 917 · 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 58993 =
  2. 2.Digital root of 62 × 27 =
  3. 3.Digital root of 13 × 60 =
  4. 4.Digital root of 13 × 16 =
  5. 5.Digital root of 67 × 95 =
  6. 6.Digital root of 47220 =
  7. 7.Digital root of 88373 =
  8. 8.Digital root of 40264 =
  9. 9.Digital root of 38 × 52 =
  10. 10.Digital root of 90 × 44 =
  11. 11.Digital root of 9800 =
  12. 12.Digital root of 12338 =
  13. 13.Digital root of 56 × 39 =
  14. 14.Digital root of 30 × 26 =
  15. 15.Digital root of 67 × 67 =
  16. 16.Digital root of 88 × 75 =
  17. 17.Digital root of 83258 =
  18. 18.Digital root of 75504 =
  19. 19.Digital root of 51 × 74 =
  20. 20.Digital root of 68651 =
  21. 21.Digital root of 55328 =
  22. 22.Digital root of 90236 =
  23. 23.Digital root of 9196 =
  24. 24.Digital root of 22 × 24 =
  25. 25.Digital root of 7647 =
  26. 26.Digital root of 25996 =
  27. 27.Digital root of 66 × 52 =
  28. 28.Digital root of 62646 =
  29. 29.Digital root of 24640 =
  30. 30.Digital root of 19212 =
  31. 31.Digital root of 26 × 92 =
  32. 32.Digital root of 75 × 56 =
  33. 33.Digital root of 41 × 98 =
  34. 34.Digital root of 34 × 49 =
  35. 35.Digital root of 99513 =
  36. 36.Digital root of 56038 =
  37. 37.Digital root of 41 × 33 =
  38. 38.Digital root of 33 × 96 =
  39. 39.Digital root of 16743 =
  40. 40.Digital root of 81 × 68 =

Answer key

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

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