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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 451 · 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 24 × 19 =
  2. 2.Digital root of 83089 =
  3. 3.Digital root of 47 × 84 =
  4. 4.Digital root of 62 × 16 =
  5. 5.Digital root of 15800 =
  6. 6.Digital root of 69 × 86 =
  7. 7.Digital root of 36 × 87 =
  8. 8.Digital root of 57 × 91 =
  9. 9.Digital root of 30 × 18 =
  10. 10.Digital root of 16117 =
  11. 11.Digital root of 63 × 64 =
  12. 12.Digital root of 24266 =
  13. 13.Digital root of 11721 =
  14. 14.Digital root of 75 × 13 =
  15. 15.Digital root of 30 × 62 =
  16. 16.Digital root of 27 × 72 =
  17. 17.Digital root of 64 × 95 =
  18. 18.Digital root of 34007 =
  19. 19.Digital root of 81 × 94 =
  20. 20.Digital root of 21 × 35 =
  21. 21.Digital root of 35229 =
  22. 22.Digital root of 39750 =
  23. 23.Digital root of 44937 =
  24. 24.Digital root of 50 × 35 =
  25. 25.Digital root of 58 × 62 =
  26. 26.Digital root of 61 × 68 =
  27. 27.Digital root of 92902 =
  28. 28.Digital root of 13 × 63 =
  29. 29.Digital root of 37 × 65 =
  30. 30.Digital root of 52 × 65 =
  31. 31.Digital root of 67144 =
  32. 32.Digital root of 19303 =
  33. 33.Digital root of 70 × 88 =
  34. 34.Digital root of 24932 =
  35. 35.Digital root of 40 × 19 =
  36. 36.Digital root of 9172 =
  37. 37.Digital root of 78761 =
  38. 38.Digital root of 22 × 91 =
  39. 39.Digital root of 82340 =
  40. 40.Digital root of 83 × 32 =

Answer key

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

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