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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 280 · 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. 1.1016³ =
  2. 2.986³ =
  3. 3.98³ =
  4. 4.1004³ =
  5. 5.997³ =
  6. 6.107³ =
  7. 7.1013³ =
  8. 8.91³ =
  9. 9.983³ =
  10. 10.984³ =
  11. 11.91³ =
  12. 12.983³ =
  13. 13.1007³ =
  14. 14.1004³ =
  15. 15.992³ =
  16. 16.91³ =
  17. 17.94³ =
  18. 18.993³ =
  19. 19.999³ =
  20. 20.104³ =
  21. 21.99³ =
  22. 22.91³ =
  23. 23.1007³ =
  24. 24.109³ =
  25. 25.99³ =
  26. 26.95³ =
  27. 27.99³ =
  28. 28.99³ =
  29. 29.98³ =
  30. 30.102³ =
  31. 31.985³ =
  32. 32.1005³ =
  33. 33.1012³ =
  34. 34.984³ =
  35. 35.99³ =
  36. 36.980³ =
  37. 37.993³ =
  38. 38.96³ =
  39. 39.1013³ =
  40. 40.103³ =

Answer key

  1. 1048772096
  2. 958585256
  3. 941192
  4. 1012048064
  5. 991026973
  6. 1225043
  7. 1039509197
  8. 753571
  9. 949862087
  10. 952763904
  11. 753571
  12. 949862087
  13. 1021147343
  14. 1012048064
  15. 976191488
  16. 753571
  17. 830584
  18. 979146657
  19. 997002999
  20. 1124864
  21. 970299
  22. 753571
  23. 1021147343
  24. 1295029
  25. 970299
  26. 857375
  27. 970299
  28. 970299
  29. 941192
  30. 1061208
  31. 955671625
  32. 1015075125
  33. 1036433728
  34. 952763904
  35. 970299
  36. 941192000
  37. 979146657
  38. 884736
  39. 1039509197
  40. 1092727

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