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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 700 · 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 37 × 29 =
  2. 2.Digital root of 14 × 13 =
  3. 3.Digital root of 38 × 14 =
  4. 4.Digital root of 99 × 92 =
  5. 5.Digital root of 91858 =
  6. 6.Digital root of 59053 =
  7. 7.Digital root of 37373 =
  8. 8.Digital root of 10077 =
  9. 9.Digital root of 33 × 29 =
  10. 10.Digital root of 15618 =
  11. 11.Digital root of 34 × 45 =
  12. 12.Digital root of 13 × 21 =
  13. 13.Digital root of 63 × 93 =
  14. 14.Digital root of 99 × 42 =
  15. 15.Digital root of 48 × 31 =
  16. 16.Digital root of 8344 =
  17. 17.Digital root of 82 × 63 =
  18. 18.Digital root of 49 × 71 =
  19. 19.Digital root of 30 × 39 =
  20. 20.Digital root of 27 × 63 =
  21. 21.Digital root of 48 × 58 =
  22. 22.Digital root of 32 × 80 =
  23. 23.Digital root of 34 × 40 =
  24. 24.Digital root of 71 × 71 =
  25. 25.Digital root of 33 × 22 =
  26. 26.Digital root of 65242 =
  27. 27.Digital root of 58997 =
  28. 28.Digital root of 47 × 91 =
  29. 29.Digital root of 84132 =
  30. 30.Digital root of 23541 =
  31. 31.Digital root of 797 =
  32. 32.Digital root of 95 × 76 =
  33. 33.Digital root of 48 × 60 =
  34. 34.Digital root of 30 × 45 =
  35. 35.Digital root of 44 × 60 =
  36. 36.Digital root of 92 × 88 =
  37. 37.Digital root of 97 × 61 =
  38. 38.Digital root of 45 × 51 =
  39. 39.Digital root of 55954 =
  40. 40.Digital root of 64 × 95 =

Answer key

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

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