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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 669 · 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. 1.97³ =
  2. 2.1003³ =
  3. 3.1005³ =
  4. 4.1007³ =
  5. 5.982³ =
  6. 6.990³ =
  7. 7.98³ =
  8. 8.101³ =
  9. 9.95³ =
  10. 10.1013³ =
  11. 11.105³ =
  12. 12.108³ =
  13. 13.103³ =
  14. 14.103³ =
  15. 15.102³ =
  16. 16.102³ =
  17. 17.992³ =
  18. 18.106³ =
  19. 19.106³ =
  20. 20.109³ =
  21. 21.980³ =
  22. 22.104³ =
  23. 23.986³ =
  24. 24.998³ =
  25. 25.984³ =
  26. 26.109³ =
  27. 27.983³ =
  28. 28.98³ =
  29. 29.1016³ =
  30. 30.983³ =
  31. 31.99³ =
  32. 32.997³ =
  33. 33.91³ =
  34. 34.96³ =
  35. 35.95³ =
  36. 36.1004³ =
  37. 37.995³ =
  38. 38.990³ =
  39. 39.1007³ =
  40. 40.1017³ =

Answer key

  1. 912673
  2. 1009027027
  3. 1015075125
  4. 1021147343
  5. 946966168
  6. 970299000
  7. 941192
  8. 1030301
  9. 857375
  10. 1039509197
  11. 1157625
  12. 1259712
  13. 1092727
  14. 1092727
  15. 1061208
  16. 1061208
  17. 976191488
  18. 1191016
  19. 1191016
  20. 1295029
  21. 941192000
  22. 1124864
  23. 958585256
  24. 994011992
  25. 952763904
  26. 1295029
  27. 949862087
  28. 941192
  29. 1048772096
  30. 949862087
  31. 970299
  32. 991026973
  33. 753571
  34. 884736
  35. 857375
  36. 1012048064
  37. 985074875
  38. 970299000
  39. 1021147343
  40. 1051871913

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