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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 62 · 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 26 × 74 =
  2. 2.Digital root of 99332 =
  3. 3.Digital root of 34 × 56 =
  4. 4.Digital root of 7354 =
  5. 5.Digital root of 577 =
  6. 6.Digital root of 75 × 34 =
  7. 7.Digital root of 54012 =
  8. 8.Digital root of 66 × 69 =
  9. 9.Digital root of 95351 =
  10. 10.Digital root of 31959 =
  11. 11.Digital root of 58 × 40 =
  12. 12.Digital root of 49 × 29 =
  13. 13.Digital root of 32 × 12 =
  14. 14.Digital root of 20045 =
  15. 15.Digital root of 45 × 93 =
  16. 16.Digital root of 11409 =
  17. 17.Digital root of 87143 =
  18. 18.Digital root of 65 × 14 =
  19. 19.Digital root of 20566 =
  20. 20.Digital root of 20 × 21 =
  21. 21.Digital root of 57 × 48 =
  22. 22.Digital root of 95 × 25 =
  23. 23.Digital root of 20791 =
  24. 24.Digital root of 61 × 57 =
  25. 25.Digital root of 38104 =
  26. 26.Digital root of 2126 =
  27. 27.Digital root of 88404 =
  28. 28.Digital root of 34 × 36 =
  29. 29.Digital root of 44 × 15 =
  30. 30.Digital root of 29 × 52 =
  31. 31.Digital root of 54651 =
  32. 32.Digital root of 34 × 76 =
  33. 33.Digital root of 39438 =
  34. 34.Digital root of 97 × 74 =
  35. 35.Digital root of 6699 =
  36. 36.Digital root of 62394 =
  37. 37.Digital root of 61 × 22 =
  38. 38.Digital root of 16 × 34 =
  39. 39.Digital root of 18569 =
  40. 40.Digital root of 38 × 97 =

Answer key

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

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