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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 988 · 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 56954 =
  2. 2.Digital root of 71 × 17 =
  3. 3.Digital root of 12 × 59 =
  4. 4.Digital root of 35 × 64 =
  5. 5.Digital root of 22 × 65 =
  6. 6.Digital root of 51 × 25 =
  7. 7.Digital root of 17087 =
  8. 8.Digital root of 19 × 55 =
  9. 9.Digital root of 62 × 23 =
  10. 10.Digital root of 96 × 14 =
  11. 11.Digital root of 13 × 94 =
  12. 12.Digital root of 92 × 72 =
  13. 13.Digital root of 93 × 58 =
  14. 14.Digital root of 21 × 26 =
  15. 15.Digital root of 71399 =
  16. 16.Digital root of 19 × 68 =
  17. 17.Digital root of 14 × 50 =
  18. 18.Digital root of 74 × 45 =
  19. 19.Digital root of 32307 =
  20. 20.Digital root of 94123 =
  21. 21.Digital root of 62 × 98 =
  22. 22.Digital root of 87349 =
  23. 23.Digital root of 77 × 36 =
  24. 24.Digital root of 8103 =
  25. 25.Digital root of 71222 =
  26. 26.Digital root of 39020 =
  27. 27.Digital root of 27609 =
  28. 28.Digital root of 10236 =
  29. 29.Digital root of 75196 =
  30. 30.Digital root of 54 × 95 =
  31. 31.Digital root of 98 × 57 =
  32. 32.Digital root of 87060 =
  33. 33.Digital root of 21 × 25 =
  34. 34.Digital root of 28496 =
  35. 35.Digital root of 14 × 22 =
  36. 36.Digital root of 94 × 18 =
  37. 37.Digital root of 71659 =
  38. 38.Digital root of 82 × 53 =
  39. 39.Digital root of 65373 =
  40. 40.Digital root of 13428 =

Answer key

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

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