← Digital roots — check any answer lesson New set →

Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 428 · 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 81 × 36 =
  2. 2.Digital root of 51129 =
  3. 3.Digital root of 38819 =
  4. 4.Digital root of 24 × 81 =
  5. 5.Digital root of 14750 =
  6. 6.Digital root of 37826 =
  7. 7.Digital root of 67 × 17 =
  8. 8.Digital root of 42300 =
  9. 9.Digital root of 82 × 37 =
  10. 10.Digital root of 73 × 72 =
  11. 11.Digital root of 47 × 78 =
  12. 12.Digital root of 44 × 80 =
  13. 13.Digital root of 36067 =
  14. 14.Digital root of 17 × 75 =
  15. 15.Digital root of 93 × 47 =
  16. 16.Digital root of 93862 =
  17. 17.Digital root of 12 × 33 =
  18. 18.Digital root of 36 × 76 =
  19. 19.Digital root of 86854 =
  20. 20.Digital root of 8269 =
  21. 21.Digital root of 83996 =
  22. 22.Digital root of 30320 =
  23. 23.Digital root of 59758 =
  24. 24.Digital root of 98232 =
  25. 25.Digital root of 28492 =
  26. 26.Digital root of 98 × 27 =
  27. 27.Digital root of 36967 =
  28. 28.Digital root of 32 × 14 =
  29. 29.Digital root of 58 × 54 =
  30. 30.Digital root of 89 × 45 =
  31. 31.Digital root of 57 × 54 =
  32. 32.Digital root of 75891 =
  33. 33.Digital root of 13475 =
  34. 34.Digital root of 98787 =
  35. 35.Digital root of 67 × 22 =
  36. 36.Digital root of 83380 =
  37. 37.Digital root of 43 × 12 =
  38. 38.Digital root of 55 × 76 =
  39. 39.Digital root of 39 × 82 =
  40. 40.Digital root of 1319 =

Answer key

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

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths