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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 527 · 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. 1.105³ =
  2. 2.1004³ =
  3. 3.1007³ =
  4. 4.98³ =
  5. 5.97³ =
  6. 6.984³ =
  7. 7.92³ =
  8. 8.108³ =
  9. 9.987³ =
  10. 10.99³ =
  11. 11.985³ =
  12. 12.1013³ =
  13. 13.96³ =
  14. 14.94³ =
  15. 15.108³ =
  16. 16.94³ =
  17. 17.983³ =
  18. 18.1001³ =
  19. 19.96³ =
  20. 20.105³ =
  21. 21.101³ =
  22. 22.1001³ =
  23. 23.92³ =
  24. 24.984³ =
  25. 25.1005³ =
  26. 26.94³ =
  27. 27.980³ =
  28. 28.95³ =
  29. 29.94³ =
  30. 30.995³ =
  31. 31.993³ =
  32. 32.98³ =
  33. 33.97³ =
  34. 34.101³ =
  35. 35.1018³ =
  36. 36.106³ =
  37. 37.92³ =
  38. 38.99³ =
  39. 39.1003³ =
  40. 40.106³ =

Answer key

  1. 1157625
  2. 1012048064
  3. 1021147343
  4. 941192
  5. 912673
  6. 952763904
  7. 778688
  8. 1259712
  9. 961504803
  10. 970299
  11. 955671625
  12. 1039509197
  13. 884736
  14. 830584
  15. 1259712
  16. 830584
  17. 949862087
  18. 1003003001
  19. 884736
  20. 1157625
  21. 1030301
  22. 1003003001
  23. 778688
  24. 952763904
  25. 1015075125
  26. 830584
  27. 941192000
  28. 857375
  29. 830584
  30. 985074875
  31. 979146657
  32. 941192
  33. 912673
  34. 1030301
  35. 1054977832
  36. 1191016
  37. 778688
  38. 970299
  39. 1009027027
  40. 1191016

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