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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 880 · 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. 1.997³ =
  2. 2.103³ =
  3. 3.998³ =
  4. 4.1004³ =
  5. 5.982³ =
  6. 6.1013³ =
  7. 7.102³ =
  8. 8.95³ =
  9. 9.985³ =
  10. 10.98³ =
  11. 11.107³ =
  12. 12.1018³ =
  13. 13.98³ =
  14. 14.981³ =
  15. 15.1013³ =
  16. 16.94³ =
  17. 17.990³ =
  18. 18.103³ =
  19. 19.98³ =
  20. 20.998³ =
  21. 21.1020³ =
  22. 22.103³ =
  23. 23.105³ =
  24. 24.995³ =
  25. 25.990³ =
  26. 26.986³ =
  27. 27.1020³ =
  28. 28.993³ =
  29. 29.97³ =
  30. 30.994³ =
  31. 31.107³ =
  32. 32.94³ =
  33. 33.109³ =
  34. 34.101³ =
  35. 35.985³ =
  36. 36.102³ =
  37. 37.108³ =
  38. 38.95³ =
  39. 39.993³ =
  40. 40.996³ =

Answer key

  1. 991026973
  2. 1092727
  3. 994011992
  4. 1012048064
  5. 946966168
  6. 1039509197
  7. 1061208
  8. 857375
  9. 955671625
  10. 941192
  11. 1225043
  12. 1054977832
  13. 941192
  14. 944076141
  15. 1039509197
  16. 830584
  17. 970299000
  18. 1092727
  19. 941192
  20. 994011992
  21. 1061208000
  22. 1092727
  23. 1157625
  24. 985074875
  25. 970299000
  26. 958585256
  27. 1061208000
  28. 979146657
  29. 912673
  30. 982107784
  31. 1225043
  32. 830584
  33. 1295029
  34. 1030301
  35. 955671625
  36. 1061208
  37. 1259712
  38. 857375
  39. 979146657
  40. 988047936

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