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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 923 · 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 50 × 64 =
  2. 2.Digital root of 77 × 47 =
  3. 3.Digital root of 5737 =
  4. 4.Digital root of 26883 =
  5. 5.Digital root of 33 × 92 =
  6. 6.Digital root of 40969 =
  7. 7.Digital root of 31754 =
  8. 8.Digital root of 95 × 89 =
  9. 9.Digital root of 33 × 23 =
  10. 10.Digital root of 81286 =
  11. 11.Digital root of 34 × 25 =
  12. 12.Digital root of 28 × 31 =
  13. 13.Digital root of 19321 =
  14. 14.Digital root of 18 × 30 =
  15. 15.Digital root of 37951 =
  16. 16.Digital root of 74 × 14 =
  17. 17.Digital root of 60 × 50 =
  18. 18.Digital root of 72301 =
  19. 19.Digital root of 25 × 27 =
  20. 20.Digital root of 62313 =
  21. 21.Digital root of 53 × 14 =
  22. 22.Digital root of 43 × 60 =
  23. 23.Digital root of 36778 =
  24. 24.Digital root of 32339 =
  25. 25.Digital root of 28 × 89 =
  26. 26.Digital root of 56743 =
  27. 27.Digital root of 71547 =
  28. 28.Digital root of 26152 =
  29. 29.Digital root of 27 × 18 =
  30. 30.Digital root of 63 × 65 =
  31. 31.Digital root of 35 × 19 =
  32. 32.Digital root of 42 × 19 =
  33. 33.Digital root of 41169 =
  34. 34.Digital root of 96577 =
  35. 35.Digital root of 20 × 49 =
  36. 36.Digital root of 44 × 76 =
  37. 37.Digital root of 20704 =
  38. 38.Digital root of 88 × 65 =
  39. 39.Digital root of 20653 =
  40. 40.Digital root of 14 × 36 =

Answer key

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

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