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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 250 · 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 89 × 16 =
  2. 2.Digital root of 55 × 75 =
  3. 3.Digital root of 89 × 77 =
  4. 4.Digital root of 52 × 14 =
  5. 5.Digital root of 7275 =
  6. 6.Digital root of 80 × 28 =
  7. 7.Digital root of 21 × 22 =
  8. 8.Digital root of 51 × 26 =
  9. 9.Digital root of 65807 =
  10. 10.Digital root of 69232 =
  11. 11.Digital root of 45 × 24 =
  12. 12.Digital root of 78148 =
  13. 13.Digital root of 31 × 42 =
  14. 14.Digital root of 6175 =
  15. 15.Digital root of 93 × 95 =
  16. 16.Digital root of 74 × 63 =
  17. 17.Digital root of 61236 =
  18. 18.Digital root of 81892 =
  19. 19.Digital root of 36667 =
  20. 20.Digital root of 19 × 98 =
  21. 21.Digital root of 66637 =
  22. 22.Digital root of 16 × 45 =
  23. 23.Digital root of 97 × 12 =
  24. 24.Digital root of 69338 =
  25. 25.Digital root of 48 × 74 =
  26. 26.Digital root of 55558 =
  27. 27.Digital root of 88 × 95 =
  28. 28.Digital root of 45593 =
  29. 29.Digital root of 79796 =
  30. 30.Digital root of 54773 =
  31. 31.Digital root of 63819 =
  32. 32.Digital root of 36 × 39 =
  33. 33.Digital root of 41 × 59 =
  34. 34.Digital root of 6924 =
  35. 35.Digital root of 39384 =
  36. 36.Digital root of 55 × 87 =
  37. 37.Digital root of 60145 =
  38. 38.Digital root of 92491 =
  39. 39.Digital root of 54 × 82 =
  40. 40.Digital root of 42 × 32 =

Answer key

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

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