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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 998 · 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 22095 =
  2. 2.Digital root of 24396 =
  3. 3.Digital root of 28156 =
  4. 4.Digital root of 73620 =
  5. 5.Digital root of 92705 =
  6. 6.Digital root of 67412 =
  7. 7.Digital root of 36728 =
  8. 8.Digital root of 92 × 79 =
  9. 9.Digital root of 78120 =
  10. 10.Digital root of 82488 =
  11. 11.Digital root of 35984 =
  12. 12.Digital root of 2989 =
  13. 13.Digital root of 28578 =
  14. 14.Digital root of 26653 =
  15. 15.Digital root of 45669 =
  16. 16.Digital root of 90 × 94 =
  17. 17.Digital root of 96926 =
  18. 18.Digital root of 34029 =
  19. 19.Digital root of 92981 =
  20. 20.Digital root of 91641 =
  21. 21.Digital root of 83925 =
  22. 22.Digital root of 7892 =
  23. 23.Digital root of 15 × 58 =
  24. 24.Digital root of 41 × 12 =
  25. 25.Digital root of 15193 =
  26. 26.Digital root of 21 × 62 =
  27. 27.Digital root of 35124 =
  28. 28.Digital root of 24037 =
  29. 29.Digital root of 50263 =
  30. 30.Digital root of 14249 =
  31. 31.Digital root of 50 × 15 =
  32. 32.Digital root of 23484 =
  33. 33.Digital root of 22164 =
  34. 34.Digital root of 24863 =
  35. 35.Digital root of 22268 =
  36. 36.Digital root of 76 × 54 =
  37. 37.Digital root of 36882 =
  38. 38.Digital root of 17 × 61 =
  39. 39.Digital root of 84942 =
  40. 40.Digital root of 78 × 87 =

Answer key

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

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