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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 449 · 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. 1.1001³ =
  2. 2.99³ =
  3. 3.96³ =
  4. 4.93³ =
  5. 5.93³ =
  6. 6.95³ =
  7. 7.1001³ =
  8. 8.94³ =
  9. 9.94³ =
  10. 10.1013³ =
  11. 11.96³ =
  12. 12.103³ =
  13. 13.1012³ =
  14. 14.107³ =
  15. 15.99³ =
  16. 16.104³ =
  17. 17.104³ =
  18. 18.991³ =
  19. 19.1003³ =
  20. 20.102³ =
  21. 21.1017³ =
  22. 22.998³ =
  23. 23.1020³ =
  24. 24.104³ =
  25. 25.93³ =
  26. 26.995³ =
  27. 27.103³ =
  28. 28.1004³ =
  29. 29.987³ =
  30. 30.96³ =
  31. 31.998³ =
  32. 32.1018³ =
  33. 33.1019³ =
  34. 34.98³ =
  35. 35.1008³ =
  36. 36.1007³ =
  37. 37.108³ =
  38. 38.98³ =
  39. 39.91³ =
  40. 40.996³ =

Answer key

  1. 1003003001
  2. 970299
  3. 884736
  4. 804357
  5. 804357
  6. 857375
  7. 1003003001
  8. 830584
  9. 830584
  10. 1039509197
  11. 884736
  12. 1092727
  13. 1036433728
  14. 1225043
  15. 970299
  16. 1124864
  17. 1124864
  18. 973242271
  19. 1009027027
  20. 1061208
  21. 1051871913
  22. 994011992
  23. 1061208000
  24. 1124864
  25. 804357
  26. 985074875
  27. 1092727
  28. 1012048064
  29. 961504803
  30. 884736
  31. 994011992
  32. 1054977832
  33. 1058089859
  34. 941192
  35. 1024192512
  36. 1021147343
  37. 1259712
  38. 941192
  39. 753571
  40. 988047936

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