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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 88 · 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 94 × 41 =
  2. 2.Digital root of 53868 =
  3. 3.Digital root of 38 × 77 =
  4. 4.Digital root of 49014 =
  5. 5.Digital root of 19559 =
  6. 6.Digital root of 68 × 30 =
  7. 7.Digital root of 54 × 39 =
  8. 8.Digital root of 60 × 68 =
  9. 9.Digital root of 27 × 17 =
  10. 10.Digital root of 41 × 80 =
  11. 11.Digital root of 12 × 24 =
  12. 12.Digital root of 14637 =
  13. 13.Digital root of 63449 =
  14. 14.Digital root of 46430 =
  15. 15.Digital root of 43 × 91 =
  16. 16.Digital root of 79 × 42 =
  17. 17.Digital root of 69 × 34 =
  18. 18.Digital root of 48774 =
  19. 19.Digital root of 86 × 71 =
  20. 20.Digital root of 18431 =
  21. 21.Digital root of 2940 =
  22. 22.Digital root of 14169 =
  23. 23.Digital root of 49 × 14 =
  24. 24.Digital root of 27 × 13 =
  25. 25.Digital root of 88705 =
  26. 26.Digital root of 92 × 84 =
  27. 27.Digital root of 80 × 14 =
  28. 28.Digital root of 32516 =
  29. 29.Digital root of 29 × 35 =
  30. 30.Digital root of 19782 =
  31. 31.Digital root of 49 × 78 =
  32. 32.Digital root of 29281 =
  33. 33.Digital root of 14 × 38 =
  34. 34.Digital root of 13 × 94 =
  35. 35.Digital root of 81055 =
  36. 36.Digital root of 89 × 21 =
  37. 37.Digital root of 86 × 87 =
  38. 38.Digital root of 56779 =
  39. 39.Digital root of 71956 =
  40. 40.Digital root of 19 × 29 =

Answer key

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

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