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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 54 · 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 67463 =
  2. 2.Digital root of 40229 =
  3. 3.Digital root of 92978 =
  4. 4.Digital root of 25 × 51 =
  5. 5.Digital root of 37 × 26 =
  6. 6.Digital root of 42348 =
  7. 7.Digital root of 76226 =
  8. 8.Digital root of 64561 =
  9. 9.Digital root of 30 × 69 =
  10. 10.Digital root of 69193 =
  11. 11.Digital root of 79714 =
  12. 12.Digital root of 76 × 72 =
  13. 13.Digital root of 25 × 39 =
  14. 14.Digital root of 98 × 24 =
  15. 15.Digital root of 16 × 58 =
  16. 16.Digital root of 62 × 30 =
  17. 17.Digital root of 96207 =
  18. 18.Digital root of 69 × 14 =
  19. 19.Digital root of 64378 =
  20. 20.Digital root of 79428 =
  21. 21.Digital root of 39 × 55 =
  22. 22.Digital root of 31 × 90 =
  23. 23.Digital root of 12 × 13 =
  24. 24.Digital root of 59 × 72 =
  25. 25.Digital root of 28 × 47 =
  26. 26.Digital root of 17 × 15 =
  27. 27.Digital root of 80383 =
  28. 28.Digital root of 17458 =
  29. 29.Digital root of 22283 =
  30. 30.Digital root of 59035 =
  31. 31.Digital root of 46535 =
  32. 32.Digital root of 40 × 63 =
  33. 33.Digital root of 75 × 86 =
  34. 34.Digital root of 76 × 71 =
  35. 35.Digital root of 9597 =
  36. 36.Digital root of 28436 =
  37. 37.Digital root of 54911 =
  38. 38.Digital root of 14277 =
  39. 39.Digital root of 88 × 61 =
  40. 40.Digital root of 66 × 36 =

Answer key

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

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