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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 793 · 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 14636 =
  2. 2.Digital root of 44088 =
  3. 3.Digital root of 69 × 92 =
  4. 4.Digital root of 45617 =
  5. 5.Digital root of 95830 =
  6. 6.Digital root of 68 × 94 =
  7. 7.Digital root of 24468 =
  8. 8.Digital root of 93600 =
  9. 9.Digital root of 83 × 26 =
  10. 10.Digital root of 38 × 30 =
  11. 11.Digital root of 83 × 85 =
  12. 12.Digital root of 80253 =
  13. 13.Digital root of 19 × 95 =
  14. 14.Digital root of 85 × 66 =
  15. 15.Digital root of 56 × 14 =
  16. 16.Digital root of 26 × 29 =
  17. 17.Digital root of 45 × 99 =
  18. 18.Digital root of 40 × 44 =
  19. 19.Digital root of 65129 =
  20. 20.Digital root of 77 × 52 =
  21. 21.Digital root of 5644 =
  22. 22.Digital root of 32758 =
  23. 23.Digital root of 20 × 72 =
  24. 24.Digital root of 1316 =
  25. 25.Digital root of 88 × 83 =
  26. 26.Digital root of 51038 =
  27. 27.Digital root of 94 × 89 =
  28. 28.Digital root of 49 × 30 =
  29. 29.Digital root of 44 × 77 =
  30. 30.Digital root of 40184 =
  31. 31.Digital root of 34286 =
  32. 32.Digital root of 61988 =
  33. 33.Digital root of 20569 =
  34. 34.Digital root of 35 × 30 =
  35. 35.Digital root of 55878 =
  36. 36.Digital root of 68 × 27 =
  37. 37.Digital root of 26 × 25 =
  38. 38.Digital root of 49 × 17 =
  39. 39.Digital root of 60 × 58 =
  40. 40.Digital root of 51331 =

Answer key

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

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