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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 306 · 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 49296 =
  2. 2.Digital root of 56344 =
  3. 3.Digital root of 96435 =
  4. 4.Digital root of 47568 =
  5. 5.Digital root of 7731 =
  6. 6.Digital root of 84030 =
  7. 7.Digital root of 11179 =
  8. 8.Digital root of 47 × 31 =
  9. 9.Digital root of 58 × 14 =
  10. 10.Digital root of 99 × 99 =
  11. 11.Digital root of 24655 =
  12. 12.Digital root of 24 × 17 =
  13. 13.Digital root of 65 × 36 =
  14. 14.Digital root of 23 × 53 =
  15. 15.Digital root of 13 × 98 =
  16. 16.Digital root of 21293 =
  17. 17.Digital root of 79149 =
  18. 18.Digital root of 79170 =
  19. 19.Digital root of 15256 =
  20. 20.Digital root of 67 × 54 =
  21. 21.Digital root of 32 × 57 =
  22. 22.Digital root of 95242 =
  23. 23.Digital root of 95 × 56 =
  24. 24.Digital root of 3236 =
  25. 25.Digital root of 98614 =
  26. 26.Digital root of 15250 =
  27. 27.Digital root of 40 × 63 =
  28. 28.Digital root of 47082 =
  29. 29.Digital root of 51278 =
  30. 30.Digital root of 78 × 54 =
  31. 31.Digital root of 39852 =
  32. 32.Digital root of 91880 =
  33. 33.Digital root of 47 × 62 =
  34. 34.Digital root of 67 × 98 =
  35. 35.Digital root of 83 × 35 =
  36. 36.Digital root of 8458 =
  37. 37.Digital root of 4908 =
  38. 38.Digital root of 78335 =
  39. 39.Digital root of 74 × 41 =
  40. 40.Digital root of 3040 =

Answer key

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

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