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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 134 · 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 56 × 29 =
  2. 2.Digital root of 18 × 12 =
  3. 3.Digital root of 62 × 29 =
  4. 4.Digital root of 92 × 69 =
  5. 5.Digital root of 66 × 60 =
  6. 6.Digital root of 25 × 52 =
  7. 7.Digital root of 35 × 56 =
  8. 8.Digital root of 19143 =
  9. 9.Digital root of 87 × 42 =
  10. 10.Digital root of 59 × 35 =
  11. 11.Digital root of 13 × 70 =
  12. 12.Digital root of 41341 =
  13. 13.Digital root of 85002 =
  14. 14.Digital root of 71 × 32 =
  15. 15.Digital root of 69764 =
  16. 16.Digital root of 76821 =
  17. 17.Digital root of 21234 =
  18. 18.Digital root of 45975 =
  19. 19.Digital root of 97 × 17 =
  20. 20.Digital root of 78884 =
  21. 21.Digital root of 9086 =
  22. 22.Digital root of 88 × 31 =
  23. 23.Digital root of 36 × 17 =
  24. 24.Digital root of 34 × 41 =
  25. 25.Digital root of 37 × 68 =
  26. 26.Digital root of 45 × 74 =
  27. 27.Digital root of 52 × 82 =
  28. 28.Digital root of 24843 =
  29. 29.Digital root of 5548 =
  30. 30.Digital root of 62 × 45 =
  31. 31.Digital root of 80 × 24 =
  32. 32.Digital root of 61733 =
  33. 33.Digital root of 12052 =
  34. 34.Digital root of 84409 =
  35. 35.Digital root of 75 × 82 =
  36. 36.Digital root of 12634 =
  37. 37.Digital root of 39226 =
  38. 38.Digital root of 16 × 14 =
  39. 39.Digital root of 39 × 58 =
  40. 40.Digital root of 33631 =

Answer key

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

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