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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 836 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.96³ =
  2. 2.103³ =
  3. 3.97³ =
  4. 4.991³ =
  5. 5.93³ =
  6. 6.98³ =
  7. 7.107³ =
  8. 8.98³ =
  9. 9.91³ =
  10. 10.108³ =
  11. 11.96³ =
  12. 12.987³ =
  13. 13.999³ =
  14. 14.108³ =
  15. 15.1003³ =
  16. 16.996³ =
  17. 17.106³ =
  18. 18.97³ =
  19. 19.95³ =
  20. 20.1012³ =
  21. 21.97³ =
  22. 22.91³ =
  23. 23.107³ =
  24. 24.1012³ =
  25. 25.991³ =
  26. 26.99³ =
  27. 27.1007³ =
  28. 28.1010³ =
  29. 29.990³ =
  30. 30.987³ =
  31. 31.94³ =
  32. 32.1019³ =
  33. 33.993³ =
  34. 34.996³ =
  35. 35.1010³ =
  36. 36.999³ =
  37. 37.989³ =
  38. 38.1007³ =
  39. 39.996³ =
  40. 40.987³ =

Answer key

  1. 884736
  2. 1092727
  3. 912673
  4. 973242271
  5. 804357
  6. 941192
  7. 1225043
  8. 941192
  9. 753571
  10. 1259712
  11. 884736
  12. 961504803
  13. 997002999
  14. 1259712
  15. 1009027027
  16. 988047936
  17. 1191016
  18. 912673
  19. 857375
  20. 1036433728
  21. 912673
  22. 753571
  23. 1225043
  24. 1036433728
  25. 973242271
  26. 970299
  27. 1021147343
  28. 1030301000
  29. 970299000
  30. 961504803
  31. 830584
  32. 1058089859
  33. 979146657
  34. 988047936
  35. 1030301000
  36. 997002999
  37. 967361669
  38. 1021147343
  39. 988047936
  40. 961504803

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