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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 363 · 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 19 × 48 =
  2. 2.Digital root of 42437 =
  3. 3.Digital root of 86661 =
  4. 4.Digital root of 27374 =
  5. 5.Digital root of 44 × 46 =
  6. 6.Digital root of 35765 =
  7. 7.Digital root of 92129 =
  8. 8.Digital root of 91 × 68 =
  9. 9.Digital root of 73 × 22 =
  10. 10.Digital root of 1757 =
  11. 11.Digital root of 88916 =
  12. 12.Digital root of 26714 =
  13. 13.Digital root of 82 × 27 =
  14. 14.Digital root of 67342 =
  15. 15.Digital root of 83 × 41 =
  16. 16.Digital root of 2559 =
  17. 17.Digital root of 70707 =
  18. 18.Digital root of 79 × 36 =
  19. 19.Digital root of 60435 =
  20. 20.Digital root of 462 =
  21. 21.Digital root of 22 × 27 =
  22. 22.Digital root of 22216 =
  23. 23.Digital root of 70662 =
  24. 24.Digital root of 67392 =
  25. 25.Digital root of 40328 =
  26. 26.Digital root of 55479 =
  27. 27.Digital root of 25202 =
  28. 28.Digital root of 44916 =
  29. 29.Digital root of 69271 =
  30. 30.Digital root of 96056 =
  31. 31.Digital root of 88 × 50 =
  32. 32.Digital root of 4908 =
  33. 33.Digital root of 85 × 80 =
  34. 34.Digital root of 98248 =
  35. 35.Digital root of 83272 =
  36. 36.Digital root of 5665 =
  37. 37.Digital root of 84 × 94 =
  38. 38.Digital root of 36363 =
  39. 39.Digital root of 68931 =
  40. 40.Digital root of 71238 =

Answer key

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

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