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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 638 · 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 32 × 12 =
  2. 2.Digital root of 8509 =
  3. 3.Digital root of 53286 =
  4. 4.Digital root of 67356 =
  5. 5.Digital root of 64239 =
  6. 6.Digital root of 64512 =
  7. 7.Digital root of 85968 =
  8. 8.Digital root of 94 × 80 =
  9. 9.Digital root of 72813 =
  10. 10.Digital root of 41026 =
  11. 11.Digital root of 91542 =
  12. 12.Digital root of 62 × 31 =
  13. 13.Digital root of 26215 =
  14. 14.Digital root of 13 × 56 =
  15. 15.Digital root of 91716 =
  16. 16.Digital root of 11831 =
  17. 17.Digital root of 66966 =
  18. 18.Digital root of 29 × 32 =
  19. 19.Digital root of 15 × 30 =
  20. 20.Digital root of 40 × 24 =
  21. 21.Digital root of 99 × 23 =
  22. 22.Digital root of 79276 =
  23. 23.Digital root of 64451 =
  24. 24.Digital root of 19 × 20 =
  25. 25.Digital root of 65 × 78 =
  26. 26.Digital root of 96 × 39 =
  27. 27.Digital root of 80412 =
  28. 28.Digital root of 9034 =
  29. 29.Digital root of 86 × 39 =
  30. 30.Digital root of 77564 =
  31. 31.Digital root of 11789 =
  32. 32.Digital root of 23 × 59 =
  33. 33.Digital root of 52 × 61 =
  34. 34.Digital root of 66 × 64 =
  35. 35.Digital root of 34 × 25 =
  36. 36.Digital root of 32 × 33 =
  37. 37.Digital root of 53 × 17 =
  38. 38.Digital root of 36 × 29 =
  39. 39.Digital root of 85 × 46 =
  40. 40.Digital root of 44 × 88 =

Answer key

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

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