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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 848 · 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 84509 =
  2. 2.Digital root of 18422 =
  3. 3.Digital root of 79428 =
  4. 4.Digital root of 43 × 76 =
  5. 5.Digital root of 15440 =
  6. 6.Digital root of 68643 =
  7. 7.Digital root of 76 × 70 =
  8. 8.Digital root of 44684 =
  9. 9.Digital root of 73964 =
  10. 10.Digital root of 1424 =
  11. 11.Digital root of 6212 =
  12. 12.Digital root of 31 × 18 =
  13. 13.Digital root of 17202 =
  14. 14.Digital root of 60 × 22 =
  15. 15.Digital root of 47 × 89 =
  16. 16.Digital root of 70122 =
  17. 17.Digital root of 2848 =
  18. 18.Digital root of 86 × 65 =
  19. 19.Digital root of 51219 =
  20. 20.Digital root of 21 × 60 =
  21. 21.Digital root of 74440 =
  22. 22.Digital root of 51910 =
  23. 23.Digital root of 13330 =
  24. 24.Digital root of 33 × 98 =
  25. 25.Digital root of 52102 =
  26. 26.Digital root of 49968 =
  27. 27.Digital root of 73 × 83 =
  28. 28.Digital root of 39167 =
  29. 29.Digital root of 18583 =
  30. 30.Digital root of 88271 =
  31. 31.Digital root of 82 × 89 =
  32. 32.Digital root of 14446 =
  33. 33.Digital root of 11402 =
  34. 34.Digital root of 11416 =
  35. 35.Digital root of 24189 =
  36. 36.Digital root of 6127 =
  37. 37.Digital root of 80 × 98 =
  38. 38.Digital root of 86169 =
  39. 39.Digital root of 97092 =
  40. 40.Digital root of 20903 =

Answer key

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

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