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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 202 · 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. 2.108³ =
  3. 3.997³ =
  4. 4.93³ =
  5. 5.993³ =
  6. 6.1003³ =
  7. 7.1020³ =
  8. 8.98³ =
  9. 9.990³ =
  10. 10.996³ =
  11. 11.95³ =
  12. 12.107³ =
  13. 13.103³ =
  14. 14.1002³ =
  15. 15.94³ =
  16. 16.1018³ =
  17. 17.106³ =
  18. 18.99³ =
  19. 19.94³ =
  20. 20.1009³ =
  21. 21.985³ =
  22. 22.94³ =
  23. 23.108³ =
  24. 24.996³ =
  25. 25.101³ =
  26. 26.104³ =
  27. 27.98³ =
  28. 28.109³ =
  29. 29.985³ =
  30. 30.987³ =
  31. 31.1019³ =
  32. 32.996³ =
  33. 33.980³ =
  34. 34.1005³ =
  35. 35.106³ =
  36. 36.992³ =
  37. 37.101³ =
  38. 38.102³ =
  39. 39.1003³ =
  40. 40.92³ =

Answer key

  1. 1048772096
  2. 1259712
  3. 991026973
  4. 804357
  5. 979146657
  6. 1009027027
  7. 1061208000
  8. 941192
  9. 970299000
  10. 988047936
  11. 857375
  12. 1225043
  13. 1092727
  14. 1006012008
  15. 830584
  16. 1054977832
  17. 1191016
  18. 970299
  19. 830584
  20. 1027243729
  21. 955671625
  22. 830584
  23. 1259712
  24. 988047936
  25. 1030301
  26. 1124864
  27. 941192
  28. 1295029
  29. 955671625
  30. 961504803
  31. 1058089859
  32. 988047936
  33. 941192000
  34. 1015075125
  35. 1191016
  36. 976191488
  37. 1030301
  38. 1061208
  39. 1009027027
  40. 778688

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