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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 894 · 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 13740 =
  2. 2.Digital root of 37 × 57 =
  3. 3.Digital root of 44033 =
  4. 4.Digital root of 30642 =
  5. 5.Digital root of 8599 =
  6. 6.Digital root of 93804 =
  7. 7.Digital root of 26 × 37 =
  8. 8.Digital root of 42 × 26 =
  9. 9.Digital root of 13639 =
  10. 10.Digital root of 44133 =
  11. 11.Digital root of 76 × 44 =
  12. 12.Digital root of 92439 =
  13. 13.Digital root of 95 × 85 =
  14. 14.Digital root of 64648 =
  15. 15.Digital root of 47 × 71 =
  16. 16.Digital root of 33 × 66 =
  17. 17.Digital root of 63 × 25 =
  18. 18.Digital root of 80 × 93 =
  19. 19.Digital root of 9654 =
  20. 20.Digital root of 96 × 24 =
  21. 21.Digital root of 50 × 85 =
  22. 22.Digital root of 64 × 79 =
  23. 23.Digital root of 20223 =
  24. 24.Digital root of 58116 =
  25. 25.Digital root of 57 × 43 =
  26. 26.Digital root of 33 × 60 =
  27. 27.Digital root of 62811 =
  28. 28.Digital root of 56151 =
  29. 29.Digital root of 47 × 16 =
  30. 30.Digital root of 44360 =
  31. 31.Digital root of 80 × 30 =
  32. 32.Digital root of 90810 =
  33. 33.Digital root of 84365 =
  34. 34.Digital root of 12 × 29 =
  35. 35.Digital root of 67 × 40 =
  36. 36.Digital root of 12687 =
  37. 37.Digital root of 68905 =
  38. 38.Digital root of 26565 =
  39. 39.Digital root of 84 × 71 =
  40. 40.Digital root of 60238 =

Answer key

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

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