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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 108 · 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 96735 =
  2. 2.Digital root of 13428 =
  3. 3.Digital root of 65852 =
  4. 4.Digital root of 84 × 20 =
  5. 5.Digital root of 68 × 70 =
  6. 6.Digital root of 41856 =
  7. 7.Digital root of 80363 =
  8. 8.Digital root of 24 × 12 =
  9. 9.Digital root of 26 × 78 =
  10. 10.Digital root of 88 × 71 =
  11. 11.Digital root of 24 × 72 =
  12. 12.Digital root of 90023 =
  13. 13.Digital root of 64041 =
  14. 14.Digital root of 63324 =
  15. 15.Digital root of 69767 =
  16. 16.Digital root of 59417 =
  17. 17.Digital root of 79877 =
  18. 18.Digital root of 81213 =
  19. 19.Digital root of 51 × 48 =
  20. 20.Digital root of 24 × 57 =
  21. 21.Digital root of 98154 =
  22. 22.Digital root of 37116 =
  23. 23.Digital root of 5440 =
  24. 24.Digital root of 49 × 50 =
  25. 25.Digital root of 51517 =
  26. 26.Digital root of 22 × 21 =
  27. 27.Digital root of 59 × 92 =
  28. 28.Digital root of 62 × 81 =
  29. 29.Digital root of 59 × 57 =
  30. 30.Digital root of 30 × 82 =
  31. 31.Digital root of 95615 =
  32. 32.Digital root of 65260 =
  33. 33.Digital root of 55617 =
  34. 34.Digital root of 36226 =
  35. 35.Digital root of 4044 =
  36. 36.Digital root of 51083 =
  37. 37.Digital root of 56 × 68 =
  38. 38.Digital root of 86253 =
  39. 39.Digital root of 89069 =
  40. 40.Digital root of 99964 =

Answer key

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

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