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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 282 · 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 35417 =
  2. 2.Digital root of 49087 =
  3. 3.Digital root of 8035 =
  4. 4.Digital root of 14 × 28 =
  5. 5.Digital root of 98556 =
  6. 6.Digital root of 56380 =
  7. 7.Digital root of 52 × 39 =
  8. 8.Digital root of 28 × 16 =
  9. 9.Digital root of 79600 =
  10. 10.Digital root of 33 × 43 =
  11. 11.Digital root of 69 × 34 =
  12. 12.Digital root of 5485 =
  13. 13.Digital root of 45 × 80 =
  14. 14.Digital root of 12653 =
  15. 15.Digital root of 51782 =
  16. 16.Digital root of 96720 =
  17. 17.Digital root of 48 × 43 =
  18. 18.Digital root of 44387 =
  19. 19.Digital root of 65 × 37 =
  20. 20.Digital root of 82068 =
  21. 21.Digital root of 12 × 71 =
  22. 22.Digital root of 22392 =
  23. 23.Digital root of 97 × 54 =
  24. 24.Digital root of 31259 =
  25. 25.Digital root of 4740 =
  26. 26.Digital root of 67 × 14 =
  27. 27.Digital root of 85744 =
  28. 28.Digital root of 32 × 27 =
  29. 29.Digital root of 18187 =
  30. 30.Digital root of 7107 =
  31. 31.Digital root of 94 × 47 =
  32. 32.Digital root of 17 × 43 =
  33. 33.Digital root of 12 × 30 =
  34. 34.Digital root of 60891 =
  35. 35.Digital root of 4394 =
  36. 36.Digital root of 62971 =
  37. 37.Digital root of 13007 =
  38. 38.Digital root of 69650 =
  39. 39.Digital root of 32 × 33 =
  40. 40.Digital root of 24239 =

Answer key

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

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