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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 85 · 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 56 × 27 =
  2. 2.Digital root of 99532 =
  3. 3.Digital root of 45651 =
  4. 4.Digital root of 22271 =
  5. 5.Digital root of 66 × 53 =
  6. 6.Digital root of 71 × 47 =
  7. 7.Digital root of 22 × 12 =
  8. 8.Digital root of 34085 =
  9. 9.Digital root of 4246 =
  10. 10.Digital root of 64 × 85 =
  11. 11.Digital root of 16972 =
  12. 12.Digital root of 45 × 97 =
  13. 13.Digital root of 98 × 19 =
  14. 14.Digital root of 76507 =
  15. 15.Digital root of 55205 =
  16. 16.Digital root of 20 × 44 =
  17. 17.Digital root of 73 × 20 =
  18. 18.Digital root of 44861 =
  19. 19.Digital root of 56 × 28 =
  20. 20.Digital root of 23372 =
  21. 21.Digital root of 46 × 73 =
  22. 22.Digital root of 36 × 90 =
  23. 23.Digital root of 45258 =
  24. 24.Digital root of 35 × 82 =
  25. 25.Digital root of 95 × 59 =
  26. 26.Digital root of 16 × 85 =
  27. 27.Digital root of 83 × 56 =
  28. 28.Digital root of 29 × 99 =
  29. 29.Digital root of 76211 =
  30. 30.Digital root of 95 × 85 =
  31. 31.Digital root of 1216 =
  32. 32.Digital root of 22 × 16 =
  33. 33.Digital root of 60557 =
  34. 34.Digital root of 65 × 70 =
  35. 35.Digital root of 59 × 47 =
  36. 36.Digital root of 98129 =
  37. 37.Digital root of 13880 =
  38. 38.Digital root of 27914 =
  39. 39.Digital root of 91 × 80 =
  40. 40.Digital root of 12 × 30 =

Answer key

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

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