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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 195 · 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 23598 =
  2. 2.Digital root of 56000 =
  3. 3.Digital root of 69 × 76 =
  4. 4.Digital root of 98 × 84 =
  5. 5.Digital root of 74 × 33 =
  6. 6.Digital root of 86581 =
  7. 7.Digital root of 94377 =
  8. 8.Digital root of 76 × 48 =
  9. 9.Digital root of 71 × 53 =
  10. 10.Digital root of 20184 =
  11. 11.Digital root of 67 × 79 =
  12. 12.Digital root of 49200 =
  13. 13.Digital root of 23 × 84 =
  14. 14.Digital root of 66 × 34 =
  15. 15.Digital root of 85 × 36 =
  16. 16.Digital root of 81709 =
  17. 17.Digital root of 22 × 27 =
  18. 18.Digital root of 41307 =
  19. 19.Digital root of 41418 =
  20. 20.Digital root of 73512 =
  21. 21.Digital root of 26 × 44 =
  22. 22.Digital root of 12227 =
  23. 23.Digital root of 44168 =
  24. 24.Digital root of 33954 =
  25. 25.Digital root of 3381 =
  26. 26.Digital root of 23572 =
  27. 27.Digital root of 53 × 49 =
  28. 28.Digital root of 86 × 62 =
  29. 29.Digital root of 64644 =
  30. 30.Digital root of 18186 =
  31. 31.Digital root of 98 × 42 =
  32. 32.Digital root of 47 × 26 =
  33. 33.Digital root of 28821 =
  34. 34.Digital root of 32687 =
  35. 35.Digital root of 91 × 52 =
  36. 36.Digital root of 52 × 78 =
  37. 37.Digital root of 6587 =
  38. 38.Digital root of 47523 =
  39. 39.Digital root of 70505 =
  40. 40.Digital root of 28607 =

Answer key

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

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