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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 312 · 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 87756 =
  2. 2.Digital root of 42 × 25 =
  3. 3.Digital root of 45714 =
  4. 4.Digital root of 55 × 32 =
  5. 5.Digital root of 2086 =
  6. 6.Digital root of 14706 =
  7. 7.Digital root of 95 × 28 =
  8. 8.Digital root of 41173 =
  9. 9.Digital root of 69918 =
  10. 10.Digital root of 65689 =
  11. 11.Digital root of 73 × 48 =
  12. 12.Digital root of 25 × 76 =
  13. 13.Digital root of 42 × 26 =
  14. 14.Digital root of 90460 =
  15. 15.Digital root of 18807 =
  16. 16.Digital root of 71 × 84 =
  17. 17.Digital root of 67096 =
  18. 18.Digital root of 39 × 13 =
  19. 19.Digital root of 53571 =
  20. 20.Digital root of 5104 =
  21. 21.Digital root of 20992 =
  22. 22.Digital root of 14 × 14 =
  23. 23.Digital root of 18231 =
  24. 24.Digital root of 34 × 80 =
  25. 25.Digital root of 79363 =
  26. 26.Digital root of 34337 =
  27. 27.Digital root of 3611 =
  28. 28.Digital root of 43 × 77 =
  29. 29.Digital root of 38 × 48 =
  30. 30.Digital root of 34 × 23 =
  31. 31.Digital root of 80 × 47 =
  32. 32.Digital root of 81 × 28 =
  33. 33.Digital root of 28801 =
  34. 34.Digital root of 6406 =
  35. 35.Digital root of 1220 =
  36. 36.Digital root of 79760 =
  37. 37.Digital root of 66426 =
  38. 38.Digital root of 49957 =
  39. 39.Digital root of 98 × 88 =
  40. 40.Digital root of 83 × 52 =

Answer key

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

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