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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 983 · 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 2483 =
  2. 2.Digital root of 81 × 68 =
  3. 3.Digital root of 85049 =
  4. 4.Digital root of 75042 =
  5. 5.Digital root of 90 × 78 =
  6. 6.Digital root of 10189 =
  7. 7.Digital root of 93 × 15 =
  8. 8.Digital root of 12 × 38 =
  9. 9.Digital root of 38 × 34 =
  10. 10.Digital root of 20131 =
  11. 11.Digital root of 63 × 32 =
  12. 12.Digital root of 24019 =
  13. 13.Digital root of 8295 =
  14. 14.Digital root of 84 × 76 =
  15. 15.Digital root of 19023 =
  16. 16.Digital root of 15 × 17 =
  17. 17.Digital root of 21 × 87 =
  18. 18.Digital root of 69868 =
  19. 19.Digital root of 67609 =
  20. 20.Digital root of 26 × 56 =
  21. 21.Digital root of 76184 =
  22. 22.Digital root of 14334 =
  23. 23.Digital root of 86 × 31 =
  24. 24.Digital root of 60 × 30 =
  25. 25.Digital root of 79 × 23 =
  26. 26.Digital root of 46645 =
  27. 27.Digital root of 55 × 37 =
  28. 28.Digital root of 7985 =
  29. 29.Digital root of 59054 =
  30. 30.Digital root of 48 × 92 =
  31. 31.Digital root of 83 × 83 =
  32. 32.Digital root of 17188 =
  33. 33.Digital root of 15 × 57 =
  34. 34.Digital root of 23771 =
  35. 35.Digital root of 53317 =
  36. 36.Digital root of 76060 =
  37. 37.Digital root of 74 × 86 =
  38. 38.Digital root of 10850 =
  39. 39.Digital root of 45 × 30 =
  40. 40.Digital root of 73019 =

Answer key

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

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