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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 337 · 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 65396 =
  2. 2.Digital root of 25415 =
  3. 3.Digital root of 1440 =
  4. 4.Digital root of 34405 =
  5. 5.Digital root of 64 × 97 =
  6. 6.Digital root of 98 × 68 =
  7. 7.Digital root of 12 × 69 =
  8. 8.Digital root of 34 × 27 =
  9. 9.Digital root of 35409 =
  10. 10.Digital root of 74 × 30 =
  11. 11.Digital root of 99746 =
  12. 12.Digital root of 37 × 57 =
  13. 13.Digital root of 88689 =
  14. 14.Digital root of 66 × 89 =
  15. 15.Digital root of 34 × 36 =
  16. 16.Digital root of 18 × 42 =
  17. 17.Digital root of 28 × 14 =
  18. 18.Digital root of 59 × 57 =
  19. 19.Digital root of 86465 =
  20. 20.Digital root of 80 × 88 =
  21. 21.Digital root of 83 × 29 =
  22. 22.Digital root of 15 × 56 =
  23. 23.Digital root of 49 × 37 =
  24. 24.Digital root of 9947 =
  25. 25.Digital root of 42358 =
  26. 26.Digital root of 93 × 75 =
  27. 27.Digital root of 35861 =
  28. 28.Digital root of 28985 =
  29. 29.Digital root of 46 × 56 =
  30. 30.Digital root of 78423 =
  31. 31.Digital root of 80848 =
  32. 32.Digital root of 17100 =
  33. 33.Digital root of 30 × 80 =
  34. 34.Digital root of 93943 =
  35. 35.Digital root of 99826 =
  36. 36.Digital root of 18 × 51 =
  37. 37.Digital root of 14148 =
  38. 38.Digital root of 95907 =
  39. 39.Digital root of 35408 =
  40. 40.Digital root of 52861 =

Answer key

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

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