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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 182 · 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 66 × 45 =
  2. 2.Digital root of 61 × 95 =
  3. 3.Digital root of 78 × 27 =
  4. 4.Digital root of 70314 =
  5. 5.Digital root of 79143 =
  6. 6.Digital root of 29 × 72 =
  7. 7.Digital root of 68364 =
  8. 8.Digital root of 95993 =
  9. 9.Digital root of 75 × 51 =
  10. 10.Digital root of 405 =
  11. 11.Digital root of 77523 =
  12. 12.Digital root of 69387 =
  13. 13.Digital root of 74763 =
  14. 14.Digital root of 89 × 32 =
  15. 15.Digital root of 38 × 24 =
  16. 16.Digital root of 99 × 64 =
  17. 17.Digital root of 43 × 36 =
  18. 18.Digital root of 52328 =
  19. 19.Digital root of 94 × 73 =
  20. 20.Digital root of 12 × 55 =
  21. 21.Digital root of 54 × 55 =
  22. 22.Digital root of 94268 =
  23. 23.Digital root of 91 × 50 =
  24. 24.Digital root of 96484 =
  25. 25.Digital root of 38 × 61 =
  26. 26.Digital root of 48538 =
  27. 27.Digital root of 27 × 92 =
  28. 28.Digital root of 15846 =
  29. 29.Digital root of 31 × 56 =
  30. 30.Digital root of 29064 =
  31. 31.Digital root of 44 × 95 =
  32. 32.Digital root of 33677 =
  33. 33.Digital root of 52 × 36 =
  34. 34.Digital root of 41302 =
  35. 35.Digital root of 92 × 88 =
  36. 36.Digital root of 80 × 62 =
  37. 37.Digital root of 21 × 28 =
  38. 38.Digital root of 38115 =
  39. 39.Digital root of 49 × 99 =
  40. 40.Digital root of 33 × 29 =

Answer key

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

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