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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 142 · 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 12 × 19 =
  2. 2.Digital root of 44 × 37 =
  3. 3.Digital root of 52 × 96 =
  4. 4.Digital root of 34 × 82 =
  5. 5.Digital root of 11643 =
  6. 6.Digital root of 49 × 17 =
  7. 7.Digital root of 6751 =
  8. 8.Digital root of 66 × 52 =
  9. 9.Digital root of 52 × 58 =
  10. 10.Digital root of 49218 =
  11. 11.Digital root of 61 × 72 =
  12. 12.Digital root of 21 × 25 =
  13. 13.Digital root of 18 × 43 =
  14. 14.Digital root of 1540 =
  15. 15.Digital root of 93 × 35 =
  16. 16.Digital root of 97 × 97 =
  17. 17.Digital root of 9822 =
  18. 18.Digital root of 70451 =
  19. 19.Digital root of 39 × 42 =
  20. 20.Digital root of 78590 =
  21. 21.Digital root of 36 × 44 =
  22. 22.Digital root of 73 × 44 =
  23. 23.Digital root of 52 × 97 =
  24. 24.Digital root of 60169 =
  25. 25.Digital root of 77 × 15 =
  26. 26.Digital root of 91 × 43 =
  27. 27.Digital root of 88666 =
  28. 28.Digital root of 34 × 27 =
  29. 29.Digital root of 81141 =
  30. 30.Digital root of 67 × 50 =
  31. 31.Digital root of 64 × 53 =
  32. 32.Digital root of 23745 =
  33. 33.Digital root of 82 × 17 =
  34. 34.Digital root of 58725 =
  35. 35.Digital root of 40033 =
  36. 36.Digital root of 28047 =
  37. 37.Digital root of 36 × 67 =
  38. 38.Digital root of 46 × 24 =
  39. 39.Digital root of 42 × 31 =
  40. 40.Digital root of 32844 =

Answer key

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

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