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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 968 · 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 28789 =
  2. 2.Digital root of 50 × 29 =
  3. 3.Digital root of 45 × 33 =
  4. 4.Digital root of 58 × 91 =
  5. 5.Digital root of 57065 =
  6. 6.Digital root of 61 × 14 =
  7. 7.Digital root of 27 × 80 =
  8. 8.Digital root of 43436 =
  9. 9.Digital root of 58045 =
  10. 10.Digital root of 94604 =
  11. 11.Digital root of 32634 =
  12. 12.Digital root of 34392 =
  13. 13.Digital root of 88 × 89 =
  14. 14.Digital root of 66231 =
  15. 15.Digital root of 3712 =
  16. 16.Digital root of 33194 =
  17. 17.Digital root of 34 × 75 =
  18. 18.Digital root of 71 × 30 =
  19. 19.Digital root of 97457 =
  20. 20.Digital root of 18406 =
  21. 21.Digital root of 44 × 36 =
  22. 22.Digital root of 85 × 63 =
  23. 23.Digital root of 92691 =
  24. 24.Digital root of 9682 =
  25. 25.Digital root of 29635 =
  26. 26.Digital root of 74 × 24 =
  27. 27.Digital root of 5934 =
  28. 28.Digital root of 46648 =
  29. 29.Digital root of 20 × 14 =
  30. 30.Digital root of 71275 =
  31. 31.Digital root of 59 × 60 =
  32. 32.Digital root of 89647 =
  33. 33.Digital root of 28 × 69 =
  34. 34.Digital root of 66 × 69 =
  35. 35.Digital root of 66 × 48 =
  36. 36.Digital root of 10370 =
  37. 37.Digital root of 18 × 80 =
  38. 38.Digital root of 37 × 44 =
  39. 39.Digital root of 21 × 12 =
  40. 40.Digital root of 56 × 21 =

Answer key

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

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