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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 836 · 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 76 × 51 =
  2. 2.Digital root of 71302 =
  3. 3.Digital root of 78 × 31 =
  4. 4.Digital root of 83 × 20 =
  5. 5.Digital root of 87740 =
  6. 6.Digital root of 15483 =
  7. 7.Digital root of 49305 =
  8. 8.Digital root of 27153 =
  9. 9.Digital root of 62 × 52 =
  10. 10.Digital root of 37 × 57 =
  11. 11.Digital root of 27 × 81 =
  12. 12.Digital root of 65563 =
  13. 13.Digital root of 45 × 77 =
  14. 14.Digital root of 77 × 64 =
  15. 15.Digital root of 55 × 56 =
  16. 16.Digital root of 75123 =
  17. 17.Digital root of 33 × 40 =
  18. 18.Digital root of 33 × 92 =
  19. 19.Digital root of 39343 =
  20. 20.Digital root of 71 × 33 =
  21. 21.Digital root of 83642 =
  22. 22.Digital root of 14 × 59 =
  23. 23.Digital root of 26335 =
  24. 24.Digital root of 70596 =
  25. 25.Digital root of 2825 =
  26. 26.Digital root of 28 × 17 =
  27. 27.Digital root of 26892 =
  28. 28.Digital root of 63 × 87 =
  29. 29.Digital root of 49744 =
  30. 30.Digital root of 85609 =
  31. 31.Digital root of 28557 =
  32. 32.Digital root of 38 × 27 =
  33. 33.Digital root of 31929 =
  34. 34.Digital root of 96 × 57 =
  35. 35.Digital root of 65797 =
  36. 36.Digital root of 38 × 94 =
  37. 37.Digital root of 77267 =
  38. 38.Digital root of 2733 =
  39. 39.Digital root of 67174 =
  40. 40.Digital root of 78 × 46 =

Answer key

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

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