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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 234 · 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 22188 =
  2. 2.Digital root of 24 × 34 =
  3. 3.Digital root of 30 × 26 =
  4. 4.Digital root of 99796 =
  5. 5.Digital root of 44 × 89 =
  6. 6.Digital root of 59439 =
  7. 7.Digital root of 48 × 22 =
  8. 8.Digital root of 54204 =
  9. 9.Digital root of 35607 =
  10. 10.Digital root of 78 × 76 =
  11. 11.Digital root of 69185 =
  12. 12.Digital root of 93 × 16 =
  13. 13.Digital root of 81720 =
  14. 14.Digital root of 48283 =
  15. 15.Digital root of 47 × 47 =
  16. 16.Digital root of 69 × 38 =
  17. 17.Digital root of 14 × 26 =
  18. 18.Digital root of 98564 =
  19. 19.Digital root of 51 × 99 =
  20. 20.Digital root of 87887 =
  21. 21.Digital root of 83 × 68 =
  22. 22.Digital root of 84943 =
  23. 23.Digital root of 69572 =
  24. 24.Digital root of 62483 =
  25. 25.Digital root of 73254 =
  26. 26.Digital root of 55 × 36 =
  27. 27.Digital root of 79679 =
  28. 28.Digital root of 71 × 20 =
  29. 29.Digital root of 41772 =
  30. 30.Digital root of 94157 =
  31. 31.Digital root of 2116 =
  32. 32.Digital root of 86 × 61 =
  33. 33.Digital root of 54 × 64 =
  34. 34.Digital root of 9197 =
  35. 35.Digital root of 42810 =
  36. 36.Digital root of 40 × 39 =
  37. 37.Digital root of 77417 =
  38. 38.Digital root of 33704 =
  39. 39.Digital root of 36207 =
  40. 40.Digital root of 12 × 44 =

Answer key

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

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