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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 456 · 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 32 × 72 =
  2. 2.Digital root of 30863 =
  3. 3.Digital root of 4422 =
  4. 4.Digital root of 77 × 70 =
  5. 5.Digital root of 65634 =
  6. 6.Digital root of 43 × 81 =
  7. 7.Digital root of 18569 =
  8. 8.Digital root of 44344 =
  9. 9.Digital root of 41620 =
  10. 10.Digital root of 87 × 70 =
  11. 11.Digital root of 1611 =
  12. 12.Digital root of 64744 =
  13. 13.Digital root of 79037 =
  14. 14.Digital root of 23 × 14 =
  15. 15.Digital root of 58 × 86 =
  16. 16.Digital root of 22800 =
  17. 17.Digital root of 44 × 32 =
  18. 18.Digital root of 22932 =
  19. 19.Digital root of 98269 =
  20. 20.Digital root of 56 × 28 =
  21. 21.Digital root of 62289 =
  22. 22.Digital root of 67486 =
  23. 23.Digital root of 98933 =
  24. 24.Digital root of 83774 =
  25. 25.Digital root of 77 × 14 =
  26. 26.Digital root of 72 × 14 =
  27. 27.Digital root of 32 × 46 =
  28. 28.Digital root of 6697 =
  29. 29.Digital root of 87 × 13 =
  30. 30.Digital root of 24 × 41 =
  31. 31.Digital root of 56587 =
  32. 32.Digital root of 50 × 12 =
  33. 33.Digital root of 30 × 77 =
  34. 34.Digital root of 57959 =
  35. 35.Digital root of 20 × 43 =
  36. 36.Digital root of 85918 =
  37. 37.Digital root of 74893 =
  38. 38.Digital root of 86 × 88 =
  39. 39.Digital root of 1272 =
  40. 40.Digital root of 78860 =

Answer key

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

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