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Digital Root Worksheet

Vedic maths trick 12: Digital roots — check any answer · Set 481 · 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 95936 =
  2. 2.Digital root of 59 × 55 =
  3. 3.Digital root of 10441 =
  4. 4.Digital root of 52 × 14 =
  5. 5.Digital root of 58148 =
  6. 6.Digital root of 27 × 56 =
  7. 7.Digital root of 98 × 37 =
  8. 8.Digital root of 89 × 58 =
  9. 9.Digital root of 30777 =
  10. 10.Digital root of 50744 =
  11. 11.Digital root of 94650 =
  12. 12.Digital root of 9262 =
  13. 13.Digital root of 38 × 83 =
  14. 14.Digital root of 23 × 32 =
  15. 15.Digital root of 50088 =
  16. 16.Digital root of 62 × 25 =
  17. 17.Digital root of 70 × 21 =
  18. 18.Digital root of 13863 =
  19. 19.Digital root of 37896 =
  20. 20.Digital root of 31 × 14 =
  21. 21.Digital root of 56834 =
  22. 22.Digital root of 17 × 44 =
  23. 23.Digital root of 60956 =
  24. 24.Digital root of 99 × 24 =
  25. 25.Digital root of 41 × 98 =
  26. 26.Digital root of 49611 =
  27. 27.Digital root of 58 × 43 =
  28. 28.Digital root of 7836 =
  29. 29.Digital root of 75 × 98 =
  30. 30.Digital root of 46 × 76 =
  31. 31.Digital root of 36 × 96 =
  32. 32.Digital root of 88 × 34 =
  33. 33.Digital root of 35900 =
  34. 34.Digital root of 96178 =
  35. 35.Digital root of 17 × 79 =
  36. 36.Digital root of 85 × 51 =
  37. 37.Digital root of 68 × 34 =
  38. 38.Digital root of 12367 =
  39. 39.Digital root of 57770 =
  40. 40.Digital root of 46 × 72 =

Answer key

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

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