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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 977 · 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 95 × 43 =
  2. 2.Digital root of 38 × 65 =
  3. 3.Digital root of 58 × 31 =
  4. 4.Digital root of 31 × 95 =
  5. 5.Digital root of 21 × 23 =
  6. 6.Digital root of 56231 =
  7. 7.Digital root of 49513 =
  8. 8.Digital root of 73 × 46 =
  9. 9.Digital root of 32 × 88 =
  10. 10.Digital root of 52052 =
  11. 11.Digital root of 26215 =
  12. 12.Digital root of 49 × 44 =
  13. 13.Digital root of 44983 =
  14. 14.Digital root of 25363 =
  15. 15.Digital root of 80 × 88 =
  16. 16.Digital root of 70781 =
  17. 17.Digital root of 91 × 60 =
  18. 18.Digital root of 53 × 36 =
  19. 19.Digital root of 17181 =
  20. 20.Digital root of 47 × 56 =
  21. 21.Digital root of 68 × 86 =
  22. 22.Digital root of 80603 =
  23. 23.Digital root of 69 × 87 =
  24. 24.Digital root of 14192 =
  25. 25.Digital root of 82477 =
  26. 26.Digital root of 10872 =
  27. 27.Digital root of 15 × 37 =
  28. 28.Digital root of 68454 =
  29. 29.Digital root of 53 × 40 =
  30. 30.Digital root of 18334 =
  31. 31.Digital root of 37 × 60 =
  32. 32.Digital root of 20 × 75 =
  33. 33.Digital root of 21337 =
  34. 34.Digital root of 96 × 36 =
  35. 35.Digital root of 76750 =
  36. 36.Digital root of 15981 =
  37. 37.Digital root of 27811 =
  38. 38.Digital root of 38863 =
  39. 39.Digital root of 18 × 99 =
  40. 40.Digital root of 21 × 16 =

Answer key

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

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