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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 342 · 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. 1.98³ =
  2. 2.996³ =
  3. 3.95³ =
  4. 4.105³ =
  5. 5.102³ =
  6. 6.985³ =
  7. 7.108³ =
  8. 8.98³ =
  9. 9.993³ =
  10. 10.1004³ =
  11. 11.1002³ =
  12. 12.97³ =
  13. 13.988³ =
  14. 14.104³ =
  15. 15.985³ =
  16. 16.999³ =
  17. 17.98³ =
  18. 18.98³ =
  19. 19.99³ =
  20. 20.104³ =
  21. 21.105³ =
  22. 22.1009³ =
  23. 23.97³ =
  24. 24.1011³ =
  25. 25.1005³ =
  26. 26.106³ =
  27. 27.104³ =
  28. 28.103³ =
  29. 29.108³ =
  30. 30.983³ =
  31. 31.1010³ =
  32. 32.103³ =
  33. 33.103³ =
  34. 34.109³ =
  35. 35.102³ =
  36. 36.1008³ =
  37. 37.95³ =
  38. 38.1007³ =
  39. 39.980³ =
  40. 40.1013³ =

Answer key

  1. 941192
  2. 988047936
  3. 857375
  4. 1157625
  5. 1061208
  6. 955671625
  7. 1259712
  8. 941192
  9. 979146657
  10. 1012048064
  11. 1006012008
  12. 912673
  13. 964430272
  14. 1124864
  15. 955671625
  16. 997002999
  17. 941192
  18. 941192
  19. 970299
  20. 1124864
  21. 1157625
  22. 1027243729
  23. 912673
  24. 1033364331
  25. 1015075125
  26. 1191016
  27. 1124864
  28. 1092727
  29. 1259712
  30. 949862087
  31. 1030301000
  32. 1092727
  33. 1092727
  34. 1295029
  35. 1061208
  36. 1024192512
  37. 857375
  38. 1021147343
  39. 941192000
  40. 1039509197

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