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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 981 · 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 59437 =
  2. 2.Digital root of 69 × 40 =
  3. 3.Digital root of 73 × 41 =
  4. 4.Digital root of 19373 =
  5. 5.Digital root of 47 × 87 =
  6. 6.Digital root of 26843 =
  7. 7.Digital root of 76725 =
  8. 8.Digital root of 47395 =
  9. 9.Digital root of 29 × 42 =
  10. 10.Digital root of 85 × 53 =
  11. 11.Digital root of 59 × 91 =
  12. 12.Digital root of 89195 =
  13. 13.Digital root of 13615 =
  14. 14.Digital root of 60055 =
  15. 15.Digital root of 33 × 46 =
  16. 16.Digital root of 56209 =
  17. 17.Digital root of 39065 =
  18. 18.Digital root of 77869 =
  19. 19.Digital root of 14113 =
  20. 20.Digital root of 96924 =
  21. 21.Digital root of 61 × 83 =
  22. 22.Digital root of 76 × 25 =
  23. 23.Digital root of 4976 =
  24. 24.Digital root of 13 × 25 =
  25. 25.Digital root of 46 × 53 =
  26. 26.Digital root of 29 × 68 =
  27. 27.Digital root of 49 × 79 =
  28. 28.Digital root of 28766 =
  29. 29.Digital root of 96 × 23 =
  30. 30.Digital root of 69 × 30 =
  31. 31.Digital root of 70 × 77 =
  32. 32.Digital root of 60122 =
  33. 33.Digital root of 71940 =
  34. 34.Digital root of 19 × 61 =
  35. 35.Digital root of 56417 =
  36. 36.Digital root of 25 × 28 =
  37. 37.Digital root of 20 × 89 =
  38. 38.Digital root of 98639 =
  39. 39.Digital root of 39 × 58 =
  40. 40.Digital root of 53 × 68 =

Answer key

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

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