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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 475 · 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 69 × 56 =
  2. 2.Digital root of 56035 =
  3. 3.Digital root of 98 × 19 =
  4. 4.Digital root of 26 × 41 =
  5. 5.Digital root of 87585 =
  6. 6.Digital root of 29 × 67 =
  7. 7.Digital root of 56075 =
  8. 8.Digital root of 53978 =
  9. 9.Digital root of 57 × 98 =
  10. 10.Digital root of 60074 =
  11. 11.Digital root of 36 × 23 =
  12. 12.Digital root of 86274 =
  13. 13.Digital root of 12771 =
  14. 14.Digital root of 56 × 43 =
  15. 15.Digital root of 66380 =
  16. 16.Digital root of 2155 =
  17. 17.Digital root of 67207 =
  18. 18.Digital root of 58902 =
  19. 19.Digital root of 506 =
  20. 20.Digital root of 30 × 20 =
  21. 21.Digital root of 81797 =
  22. 22.Digital root of 89835 =
  23. 23.Digital root of 59376 =
  24. 24.Digital root of 44 × 81 =
  25. 25.Digital root of 84971 =
  26. 26.Digital root of 48 × 60 =
  27. 27.Digital root of 15 × 64 =
  28. 28.Digital root of 37 × 18 =
  29. 29.Digital root of 48068 =
  30. 30.Digital root of 94 × 41 =
  31. 31.Digital root of 31 × 20 =
  32. 32.Digital root of 16856 =
  33. 33.Digital root of 74 × 27 =
  34. 34.Digital root of 53878 =
  35. 35.Digital root of 14 × 37 =
  36. 36.Digital root of 96 × 85 =
  37. 37.Digital root of 40296 =
  38. 38.Digital root of 65195 =
  39. 39.Digital root of 94 × 32 =
  40. 40.Digital root of 15 × 49 =

Answer key

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

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