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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 898 · 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 63410 =
  2. 2.Digital root of 94790 =
  3. 3.Digital root of 77 × 79 =
  4. 4.Digital root of 92 × 15 =
  5. 5.Digital root of 45853 =
  6. 6.Digital root of 55 × 26 =
  7. 7.Digital root of 32756 =
  8. 8.Digital root of 60789 =
  9. 9.Digital root of 74811 =
  10. 10.Digital root of 26071 =
  11. 11.Digital root of 64 × 47 =
  12. 12.Digital root of 93655 =
  13. 13.Digital root of 79155 =
  14. 14.Digital root of 16 × 71 =
  15. 15.Digital root of 80 × 61 =
  16. 16.Digital root of 53 × 52 =
  17. 17.Digital root of 97 × 56 =
  18. 18.Digital root of 17 × 39 =
  19. 19.Digital root of 88722 =
  20. 20.Digital root of 32405 =
  21. 21.Digital root of 52364 =
  22. 22.Digital root of 13117 =
  23. 23.Digital root of 64228 =
  24. 24.Digital root of 11465 =
  25. 25.Digital root of 35253 =
  26. 26.Digital root of 33 × 13 =
  27. 27.Digital root of 25176 =
  28. 28.Digital root of 78 × 37 =
  29. 29.Digital root of 99985 =
  30. 30.Digital root of 34 × 22 =
  31. 31.Digital root of 52094 =
  32. 32.Digital root of 17 × 70 =
  33. 33.Digital root of 94 × 66 =
  34. 34.Digital root of 27840 =
  35. 35.Digital root of 42421 =
  36. 36.Digital root of 73 × 25 =
  37. 37.Digital root of 53524 =
  38. 38.Digital root of 30 × 35 =
  39. 39.Digital root of 37 × 96 =
  40. 40.Digital root of 96 × 18 =

Answer key

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

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