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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 731 · 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 83 × 46 =
  2. 2.Digital root of 14989 =
  3. 3.Digital root of 26 × 90 =
  4. 4.Digital root of 51 × 86 =
  5. 5.Digital root of 25 × 18 =
  6. 6.Digital root of 65 × 94 =
  7. 7.Digital root of 97 × 24 =
  8. 8.Digital root of 9970 =
  9. 9.Digital root of 86 × 20 =
  10. 10.Digital root of 20370 =
  11. 11.Digital root of 66 × 72 =
  12. 12.Digital root of 22 × 39 =
  13. 13.Digital root of 29 × 37 =
  14. 14.Digital root of 17 × 25 =
  15. 15.Digital root of 27818 =
  16. 16.Digital root of 23052 =
  17. 17.Digital root of 78551 =
  18. 18.Digital root of 70 × 17 =
  19. 19.Digital root of 22943 =
  20. 20.Digital root of 27513 =
  21. 21.Digital root of 81300 =
  22. 22.Digital root of 56738 =
  23. 23.Digital root of 14 × 27 =
  24. 24.Digital root of 95087 =
  25. 25.Digital root of 28763 =
  26. 26.Digital root of 95 × 50 =
  27. 27.Digital root of 54 × 35 =
  28. 28.Digital root of 83446 =
  29. 29.Digital root of 94568 =
  30. 30.Digital root of 48289 =
  31. 31.Digital root of 60639 =
  32. 32.Digital root of 70434 =
  33. 33.Digital root of 95615 =
  34. 34.Digital root of 95913 =
  35. 35.Digital root of 14911 =
  36. 36.Digital root of 10616 =
  37. 37.Digital root of 72 × 19 =
  38. 38.Digital root of 17164 =
  39. 39.Digital root of 71297 =
  40. 40.Digital root of 64 × 87 =

Answer key

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

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