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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 774 · 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. 1.103³ =
  2. 2.99³ =
  3. 3.985³ =
  4. 4.99³ =
  5. 5.94³ =
  6. 6.1020³ =
  7. 7.990³ =
  8. 8.97³ =
  9. 9.101³ =
  10. 10.107³ =
  11. 11.998³ =
  12. 12.1008³ =
  13. 13.1003³ =
  14. 14.97³ =
  15. 15.992³ =
  16. 16.997³ =
  17. 17.93³ =
  18. 18.998³ =
  19. 19.107³ =
  20. 20.104³ =
  21. 21.93³ =
  22. 22.1007³ =
  23. 23.92³ =
  24. 24.104³ =
  25. 25.103³ =
  26. 26.97³ =
  27. 27.997³ =
  28. 28.980³ =
  29. 29.1013³ =
  30. 30.102³ =
  31. 31.102³ =
  32. 32.106³ =
  33. 33.97³ =
  34. 34.981³ =
  35. 35.92³ =
  36. 36.92³ =
  37. 37.997³ =
  38. 38.93³ =
  39. 39.106³ =
  40. 40.983³ =

Answer key

  1. 1092727
  2. 970299
  3. 955671625
  4. 970299
  5. 830584
  6. 1061208000
  7. 970299000
  8. 912673
  9. 1030301
  10. 1225043
  11. 994011992
  12. 1024192512
  13. 1009027027
  14. 912673
  15. 976191488
  16. 991026973
  17. 804357
  18. 994011992
  19. 1225043
  20. 1124864
  21. 804357
  22. 1021147343
  23. 778688
  24. 1124864
  25. 1092727
  26. 912673
  27. 991026973
  28. 941192000
  29. 1039509197
  30. 1061208
  31. 1061208
  32. 1191016
  33. 912673
  34. 944076141
  35. 778688
  36. 778688
  37. 991026973
  38. 804357
  39. 1191016
  40. 949862087

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