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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 128 · 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 61 × 81 =
  2. 2.Digital root of 75 × 34 =
  3. 3.Digital root of 38 × 74 =
  4. 4.Digital root of 96397 =
  5. 5.Digital root of 96581 =
  6. 6.Digital root of 74 × 45 =
  7. 7.Digital root of 35046 =
  8. 8.Digital root of 57629 =
  9. 9.Digital root of 73932 =
  10. 10.Digital root of 56 × 43 =
  11. 11.Digital root of 7210 =
  12. 12.Digital root of 96 × 96 =
  13. 13.Digital root of 37 × 48 =
  14. 14.Digital root of 57847 =
  15. 15.Digital root of 42 × 19 =
  16. 16.Digital root of 94796 =
  17. 17.Digital root of 75670 =
  18. 18.Digital root of 26966 =
  19. 19.Digital root of 27411 =
  20. 20.Digital root of 30 × 22 =
  21. 21.Digital root of 4468 =
  22. 22.Digital root of 49 × 44 =
  23. 23.Digital root of 94 × 70 =
  24. 24.Digital root of 26 × 48 =
  25. 25.Digital root of 76762 =
  26. 26.Digital root of 51588 =
  27. 27.Digital root of 68 × 43 =
  28. 28.Digital root of 36 × 28 =
  29. 29.Digital root of 93925 =
  30. 30.Digital root of 1929 =
  31. 31.Digital root of 75565 =
  32. 32.Digital root of 91553 =
  33. 33.Digital root of 86112 =
  34. 34.Digital root of 83582 =
  35. 35.Digital root of 76 × 64 =
  36. 36.Digital root of 10264 =
  37. 37.Digital root of 67 × 51 =
  38. 38.Digital root of 12039 =
  39. 39.Digital root of 74 × 38 =
  40. 40.Digital root of 48 × 70 =

Answer key

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

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