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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 192 · 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 70976 =
  2. 2.Digital root of 33705 =
  3. 3.Digital root of 78641 =
  4. 4.Digital root of 96 × 34 =
  5. 5.Digital root of 80 × 35 =
  6. 6.Digital root of 44641 =
  7. 7.Digital root of 44 × 85 =
  8. 8.Digital root of 56094 =
  9. 9.Digital root of 71032 =
  10. 10.Digital root of 48 × 43 =
  11. 11.Digital root of 86821 =
  12. 12.Digital root of 25328 =
  13. 13.Digital root of 39576 =
  14. 14.Digital root of 65087 =
  15. 15.Digital root of 92694 =
  16. 16.Digital root of 93 × 61 =
  17. 17.Digital root of 64154 =
  18. 18.Digital root of 51318 =
  19. 19.Digital root of 44079 =
  20. 20.Digital root of 58 × 54 =
  21. 21.Digital root of 53551 =
  22. 22.Digital root of 91 × 16 =
  23. 23.Digital root of 66853 =
  24. 24.Digital root of 23 × 37 =
  25. 25.Digital root of 54830 =
  26. 26.Digital root of 52460 =
  27. 27.Digital root of 87 × 94 =
  28. 28.Digital root of 57 × 50 =
  29. 29.Digital root of 10142 =
  30. 30.Digital root of 46 × 64 =
  31. 31.Digital root of 27 × 96 =
  32. 32.Digital root of 55933 =
  33. 33.Digital root of 25547 =
  34. 34.Digital root of 49 × 31 =
  35. 35.Digital root of 54 × 24 =
  36. 36.Digital root of 84 × 40 =
  37. 37.Digital root of 52 × 21 =
  38. 38.Digital root of 12988 =
  39. 39.Digital root of 97 × 12 =
  40. 40.Digital root of 13 × 23 =

Answer key

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

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