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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 335 · 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 75792 =
  2. 2.Digital root of 15 × 67 =
  3. 3.Digital root of 52 × 55 =
  4. 4.Digital root of 27670 =
  5. 5.Digital root of 73 × 61 =
  6. 6.Digital root of 9216 =
  7. 7.Digital root of 89202 =
  8. 8.Digital root of 67005 =
  9. 9.Digital root of 44 × 59 =
  10. 10.Digital root of 66983 =
  11. 11.Digital root of 80565 =
  12. 12.Digital root of 99537 =
  13. 13.Digital root of 35869 =
  14. 14.Digital root of 64305 =
  15. 15.Digital root of 18 × 68 =
  16. 16.Digital root of 71 × 49 =
  17. 17.Digital root of 3801 =
  18. 18.Digital root of 67379 =
  19. 19.Digital root of 64839 =
  20. 20.Digital root of 29622 =
  21. 21.Digital root of 75863 =
  22. 22.Digital root of 21607 =
  23. 23.Digital root of 31718 =
  24. 24.Digital root of 27 × 85 =
  25. 25.Digital root of 42118 =
  26. 26.Digital root of 57481 =
  27. 27.Digital root of 80400 =
  28. 28.Digital root of 48 × 51 =
  29. 29.Digital root of 40 × 70 =
  30. 30.Digital root of 50 × 15 =
  31. 31.Digital root of 18464 =
  32. 32.Digital root of 80 × 43 =
  33. 33.Digital root of 47 × 59 =
  34. 34.Digital root of 14 × 28 =
  35. 35.Digital root of 3000 =
  36. 36.Digital root of 14854 =
  37. 37.Digital root of 73 × 40 =
  38. 38.Digital root of 19975 =
  39. 39.Digital root of 34 × 79 =
  40. 40.Digital root of 65 × 64 =

Answer key

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

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