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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 80 · 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 92 × 19 =
  2. 2.Digital root of 68 × 14 =
  3. 3.Digital root of 81 × 90 =
  4. 4.Digital root of 90 × 56 =
  5. 5.Digital root of 98135 =
  6. 6.Digital root of 55 × 34 =
  7. 7.Digital root of 94 × 81 =
  8. 8.Digital root of 38905 =
  9. 9.Digital root of 83643 =
  10. 10.Digital root of 79 × 43 =
  11. 11.Digital root of 56987 =
  12. 12.Digital root of 26 × 98 =
  13. 13.Digital root of 48 × 17 =
  14. 14.Digital root of 42 × 66 =
  15. 15.Digital root of 22408 =
  16. 16.Digital root of 58369 =
  17. 17.Digital root of 8534 =
  18. 18.Digital root of 10564 =
  19. 19.Digital root of 15 × 23 =
  20. 20.Digital root of 68 × 24 =
  21. 21.Digital root of 3261 =
  22. 22.Digital root of 12866 =
  23. 23.Digital root of 64 × 97 =
  24. 24.Digital root of 87049 =
  25. 25.Digital root of 77754 =
  26. 26.Digital root of 45 × 90 =
  27. 27.Digital root of 43361 =
  28. 28.Digital root of 56 × 85 =
  29. 29.Digital root of 74152 =
  30. 30.Digital root of 22671 =
  31. 31.Digital root of 94 × 75 =
  32. 32.Digital root of 57 × 13 =
  33. 33.Digital root of 81 × 69 =
  34. 34.Digital root of 50 × 61 =
  35. 35.Digital root of 9125 =
  36. 36.Digital root of 45424 =
  37. 37.Digital root of 38 × 25 =
  38. 38.Digital root of 37177 =
  39. 39.Digital root of 22 × 78 =
  40. 40.Digital root of 22538 =

Answer key

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

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