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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 217 · 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 27904 =
  2. 2.Digital root of 14 × 34 =
  3. 3.Digital root of 85918 =
  4. 4.Digital root of 50 × 58 =
  5. 5.Digital root of 67610 =
  6. 6.Digital root of 68 × 50 =
  7. 7.Digital root of 89024 =
  8. 8.Digital root of 69 × 65 =
  9. 9.Digital root of 61244 =
  10. 10.Digital root of 95284 =
  11. 11.Digital root of 78811 =
  12. 12.Digital root of 93129 =
  13. 13.Digital root of 60901 =
  14. 14.Digital root of 47681 =
  15. 15.Digital root of 10573 =
  16. 16.Digital root of 74891 =
  17. 17.Digital root of 59 × 91 =
  18. 18.Digital root of 58604 =
  19. 19.Digital root of 76560 =
  20. 20.Digital root of 96143 =
  21. 21.Digital root of 69 × 69 =
  22. 22.Digital root of 75374 =
  23. 23.Digital root of 30 × 78 =
  24. 24.Digital root of 69 × 79 =
  25. 25.Digital root of 27 × 98 =
  26. 26.Digital root of 51910 =
  27. 27.Digital root of 53010 =
  28. 28.Digital root of 80 × 33 =
  29. 29.Digital root of 27 × 45 =
  30. 30.Digital root of 41 × 88 =
  31. 31.Digital root of 22381 =
  32. 32.Digital root of 63624 =
  33. 33.Digital root of 87763 =
  34. 34.Digital root of 94 × 12 =
  35. 35.Digital root of 56354 =
  36. 36.Digital root of 28293 =
  37. 37.Digital root of 76921 =
  38. 38.Digital root of 65 × 36 =
  39. 39.Digital root of 91 × 41 =
  40. 40.Digital root of 32 × 44 =

Answer key

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

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