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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 125 · 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 5433 =
  2. 2.Digital root of 1284 =
  3. 3.Digital root of 2375 =
  4. 4.Digital root of 66764 =
  5. 5.Digital root of 92507 =
  6. 6.Digital root of 22890 =
  7. 7.Digital root of 68493 =
  8. 8.Digital root of 76 × 37 =
  9. 9.Digital root of 27 × 91 =
  10. 10.Digital root of 38 × 83 =
  11. 11.Digital root of 76 × 14 =
  12. 12.Digital root of 43248 =
  13. 13.Digital root of 23334 =
  14. 14.Digital root of 25135 =
  15. 15.Digital root of 77576 =
  16. 16.Digital root of 30281 =
  17. 17.Digital root of 65 × 18 =
  18. 18.Digital root of 20 × 28 =
  19. 19.Digital root of 29 × 58 =
  20. 20.Digital root of 79365 =
  21. 21.Digital root of 15619 =
  22. 22.Digital root of 88117 =
  23. 23.Digital root of 15965 =
  24. 24.Digital root of 92 × 69 =
  25. 25.Digital root of 72947 =
  26. 26.Digital root of 32 × 24 =
  27. 27.Digital root of 68 × 27 =
  28. 28.Digital root of 68050 =
  29. 29.Digital root of 63210 =
  30. 30.Digital root of 39300 =
  31. 31.Digital root of 18516 =
  32. 32.Digital root of 97067 =
  33. 33.Digital root of 35438 =
  34. 34.Digital root of 44156 =
  35. 35.Digital root of 78 × 93 =
  36. 36.Digital root of 38002 =
  37. 37.Digital root of 75215 =
  38. 38.Digital root of 22 × 64 =
  39. 39.Digital root of 75 × 89 =
  40. 40.Digital root of 88 × 21 =

Answer key

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

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