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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 938 · 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 87 × 97 =
  2. 2.Digital root of 49 × 50 =
  3. 3.Digital root of 43986 =
  4. 4.Digital root of 36351 =
  5. 5.Digital root of 31 × 37 =
  6. 6.Digital root of 18459 =
  7. 7.Digital root of 87 × 16 =
  8. 8.Digital root of 11288 =
  9. 9.Digital root of 63412 =
  10. 10.Digital root of 34102 =
  11. 11.Digital root of 12 × 66 =
  12. 12.Digital root of 82 × 74 =
  13. 13.Digital root of 98 × 63 =
  14. 14.Digital root of 51 × 19 =
  15. 15.Digital root of 72 × 47 =
  16. 16.Digital root of 40 × 87 =
  17. 17.Digital root of 95614 =
  18. 18.Digital root of 44 × 45 =
  19. 19.Digital root of 61466 =
  20. 20.Digital root of 57378 =
  21. 21.Digital root of 84 × 85 =
  22. 22.Digital root of 68 × 61 =
  23. 23.Digital root of 52017 =
  24. 24.Digital root of 88 × 37 =
  25. 25.Digital root of 44 × 91 =
  26. 26.Digital root of 79 × 72 =
  27. 27.Digital root of 69 × 31 =
  28. 28.Digital root of 34 × 58 =
  29. 29.Digital root of 17302 =
  30. 30.Digital root of 82 × 96 =
  31. 31.Digital root of 59 × 17 =
  32. 32.Digital root of 92 × 66 =
  33. 33.Digital root of 83 × 67 =
  34. 34.Digital root of 29263 =
  35. 35.Digital root of 85 × 14 =
  36. 36.Digital root of 28 × 48 =
  37. 37.Digital root of 13496 =
  38. 38.Digital root of 77 × 94 =
  39. 39.Digital root of 13010 =
  40. 40.Digital root of 5292 =

Answer key

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

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