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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 710 · 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 83 × 17 =
  2. 2.Digital root of 41746 =
  3. 3.Digital root of 22929 =
  4. 4.Digital root of 11995 =
  5. 5.Digital root of 82465 =
  6. 6.Digital root of 84 × 41 =
  7. 7.Digital root of 49 × 59 =
  8. 8.Digital root of 75428 =
  9. 9.Digital root of 32 × 82 =
  10. 10.Digital root of 86 × 61 =
  11. 11.Digital root of 20319 =
  12. 12.Digital root of 32585 =
  13. 13.Digital root of 90 × 18 =
  14. 14.Digital root of 79479 =
  15. 15.Digital root of 28589 =
  16. 16.Digital root of 22777 =
  17. 17.Digital root of 20 × 35 =
  18. 18.Digital root of 52 × 88 =
  19. 19.Digital root of 53 × 35 =
  20. 20.Digital root of 72 × 41 =
  21. 21.Digital root of 62 × 89 =
  22. 22.Digital root of 38 × 56 =
  23. 23.Digital root of 10725 =
  24. 24.Digital root of 39151 =
  25. 25.Digital root of 58 × 82 =
  26. 26.Digital root of 99653 =
  27. 27.Digital root of 80632 =
  28. 28.Digital root of 29 × 73 =
  29. 29.Digital root of 4158 =
  30. 30.Digital root of 29 × 48 =
  31. 31.Digital root of 12 × 68 =
  32. 32.Digital root of 28704 =
  33. 33.Digital root of 95 × 25 =
  34. 34.Digital root of 19343 =
  35. 35.Digital root of 43 × 72 =
  36. 36.Digital root of 17 × 73 =
  37. 37.Digital root of 37 × 50 =
  38. 38.Digital root of 53352 =
  39. 39.Digital root of 2698 =
  40. 40.Digital root of 7249 =

Answer key

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

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