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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 941 · 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. 1.1013³ =
  2. 2.97³ =
  3. 3.999³ =
  4. 4.96³ =
  5. 5.104³ =
  6. 6.999³ =
  7. 7.98³ =
  8. 8.1007³ =
  9. 9.983³ =
  10. 10.109³ =
  11. 11.1004³ =
  12. 12.1002³ =
  13. 13.93³ =
  14. 14.102³ =
  15. 15.997³ =
  16. 16.104³ =
  17. 17.99³ =
  18. 18.984³ =
  19. 19.95³ =
  20. 20.91³ =
  21. 21.1002³ =
  22. 22.987³ =
  23. 23.1009³ =
  24. 24.102³ =
  25. 25.95³ =
  26. 26.94³ =
  27. 27.986³ =
  28. 28.107³ =
  29. 29.982³ =
  30. 30.1018³ =
  31. 31.101³ =
  32. 32.1012³ =
  33. 33.98³ =
  34. 34.108³ =
  35. 35.109³ =
  36. 36.982³ =
  37. 37.995³ =
  38. 38.980³ =
  39. 39.101³ =
  40. 40.990³ =

Answer key

  1. 1039509197
  2. 912673
  3. 997002999
  4. 884736
  5. 1124864
  6. 997002999
  7. 941192
  8. 1021147343
  9. 949862087
  10. 1295029
  11. 1012048064
  12. 1006012008
  13. 804357
  14. 1061208
  15. 991026973
  16. 1124864
  17. 970299
  18. 952763904
  19. 857375
  20. 753571
  21. 1006012008
  22. 961504803
  23. 1027243729
  24. 1061208
  25. 857375
  26. 830584
  27. 958585256
  28. 1225043
  29. 946966168
  30. 1054977832
  31. 1030301
  32. 1036433728
  33. 941192
  34. 1259712
  35. 1295029
  36. 946966168
  37. 985074875
  38. 941192000
  39. 1030301
  40. 970299000

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