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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 223 · 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 59704 =
  2. 2.Digital root of 94 × 62 =
  3. 3.Digital root of 17 × 43 =
  4. 4.Digital root of 3727 =
  5. 5.Digital root of 32497 =
  6. 6.Digital root of 78491 =
  7. 7.Digital root of 43 × 92 =
  8. 8.Digital root of 38 × 94 =
  9. 9.Digital root of 39 × 31 =
  10. 10.Digital root of 59038 =
  11. 11.Digital root of 63709 =
  12. 12.Digital root of 53 × 64 =
  13. 13.Digital root of 99 × 64 =
  14. 14.Digital root of 61 × 87 =
  15. 15.Digital root of 37758 =
  16. 16.Digital root of 16 × 24 =
  17. 17.Digital root of 56737 =
  18. 18.Digital root of 683 =
  19. 19.Digital root of 85 × 16 =
  20. 20.Digital root of 70181 =
  21. 21.Digital root of 90455 =
  22. 22.Digital root of 41 × 57 =
  23. 23.Digital root of 31391 =
  24. 24.Digital root of 86778 =
  25. 25.Digital root of 62 × 26 =
  26. 26.Digital root of 29 × 18 =
  27. 27.Digital root of 12396 =
  28. 28.Digital root of 52 × 25 =
  29. 29.Digital root of 77005 =
  30. 30.Digital root of 96728 =
  31. 31.Digital root of 18132 =
  32. 32.Digital root of 50 × 20 =
  33. 33.Digital root of 53 × 36 =
  34. 34.Digital root of 77 × 48 =
  35. 35.Digital root of 63974 =
  36. 36.Digital root of 10328 =
  37. 37.Digital root of 66845 =
  38. 38.Digital root of 72 × 40 =
  39. 39.Digital root of 65 × 93 =
  40. 40.Digital root of 65 × 87 =

Answer key

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

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