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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 159 · 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 71 × 52 =
  2. 2.Digital root of 17574 =
  3. 3.Digital root of 56548 =
  4. 4.Digital root of 27484 =
  5. 5.Digital root of 1322 =
  6. 6.Digital root of 24279 =
  7. 7.Digital root of 9017 =
  8. 8.Digital root of 18 × 69 =
  9. 9.Digital root of 46 × 65 =
  10. 10.Digital root of 73885 =
  11. 11.Digital root of 23721 =
  12. 12.Digital root of 49 × 91 =
  13. 13.Digital root of 7776 =
  14. 14.Digital root of 66949 =
  15. 15.Digital root of 19403 =
  16. 16.Digital root of 21673 =
  17. 17.Digital root of 60 × 83 =
  18. 18.Digital root of 23997 =
  19. 19.Digital root of 72335 =
  20. 20.Digital root of 29 × 70 =
  21. 21.Digital root of 21364 =
  22. 22.Digital root of 2913 =
  23. 23.Digital root of 85 × 16 =
  24. 24.Digital root of 96 × 83 =
  25. 25.Digital root of 70 × 99 =
  26. 26.Digital root of 74358 =
  27. 27.Digital root of 90106 =
  28. 28.Digital root of 34256 =
  29. 29.Digital root of 31 × 48 =
  30. 30.Digital root of 93 × 14 =
  31. 31.Digital root of 69966 =
  32. 32.Digital root of 28050 =
  33. 33.Digital root of 71 × 54 =
  34. 34.Digital root of 25020 =
  35. 35.Digital root of 52894 =
  36. 36.Digital root of 86863 =
  37. 37.Digital root of 26 × 67 =
  38. 38.Digital root of 70660 =
  39. 39.Digital root of 92 × 17 =
  40. 40.Digital root of 69 × 89 =

Answer key

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

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