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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 309 · 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. 1.99³ =
  2. 2.101³ =
  3. 3.99³ =
  4. 4.1004³ =
  5. 5.1006³ =
  6. 6.106³ =
  7. 7.990³ =
  8. 8.982³ =
  9. 9.1016³ =
  10. 10.994³ =
  11. 11.999³ =
  12. 12.103³ =
  13. 13.95³ =
  14. 14.94³ =
  15. 15.980³ =
  16. 16.1014³ =
  17. 17.1008³ =
  18. 18.1013³ =
  19. 19.104³ =
  20. 20.988³ =
  21. 21.993³ =
  22. 22.996³ =
  23. 23.1015³ =
  24. 24.997³ =
  25. 25.102³ =
  26. 26.93³ =
  27. 27.995³ =
  28. 28.991³ =
  29. 29.103³ =
  30. 30.98³ =
  31. 31.109³ =
  32. 32.985³ =
  33. 33.99³ =
  34. 34.92³ =
  35. 35.1008³ =
  36. 36.1002³ =
  37. 37.99³ =
  38. 38.105³ =
  39. 39.99³ =
  40. 40.1007³ =

Answer key

  1. 970299
  2. 1030301
  3. 970299
  4. 1012048064
  5. 1018108216
  6. 1191016
  7. 970299000
  8. 946966168
  9. 1048772096
  10. 982107784
  11. 997002999
  12. 1092727
  13. 857375
  14. 830584
  15. 941192000
  16. 1042590744
  17. 1024192512
  18. 1039509197
  19. 1124864
  20. 964430272
  21. 979146657
  22. 988047936
  23. 1045678375
  24. 991026973
  25. 1061208
  26. 804357
  27. 985074875
  28. 973242271
  29. 1092727
  30. 941192
  31. 1295029
  32. 955671625
  33. 970299
  34. 778688
  35. 1024192512
  36. 1006012008
  37. 970299
  38. 1157625
  39. 970299
  40. 1021147343

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