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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 169 · 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. 1.109³ =
  2. 2.103³ =
  3. 3.99³ =
  4. 4.992³ =
  5. 5.992³ =
  6. 6.105³ =
  7. 7.91³ =
  8. 8.1003³ =
  9. 9.993³ =
  10. 10.1013³ =
  11. 11.103³ =
  12. 12.93³ =
  13. 13.109³ =
  14. 14.106³ =
  15. 15.107³ =
  16. 16.1020³ =
  17. 17.986³ =
  18. 18.997³ =
  19. 19.995³ =
  20. 20.97³ =
  21. 21.1003³ =
  22. 22.99³ =
  23. 23.987³ =
  24. 24.96³ =
  25. 25.98³ =
  26. 26.95³ =
  27. 27.990³ =
  28. 28.92³ =
  29. 29.101³ =
  30. 30.1008³ =
  31. 31.93³ =
  32. 32.981³ =
  33. 33.1002³ =
  34. 34.107³ =
  35. 35.93³ =
  36. 36.94³ =
  37. 37.1008³ =
  38. 38.109³ =
  39. 39.999³ =
  40. 40.106³ =

Answer key

  1. 1295029
  2. 1092727
  3. 970299
  4. 976191488
  5. 976191488
  6. 1157625
  7. 753571
  8. 1009027027
  9. 979146657
  10. 1039509197
  11. 1092727
  12. 804357
  13. 1295029
  14. 1191016
  15. 1225043
  16. 1061208000
  17. 958585256
  18. 991026973
  19. 985074875
  20. 912673
  21. 1009027027
  22. 970299
  23. 961504803
  24. 884736
  25. 941192
  26. 857375
  27. 970299000
  28. 778688
  29. 1030301
  30. 1024192512
  31. 804357
  32. 944076141
  33. 1006012008
  34. 1225043
  35. 804357
  36. 830584
  37. 1024192512
  38. 1295029
  39. 997002999
  40. 1191016

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