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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 263 · 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. 1.1004³ =
  2. 2.104³ =
  3. 3.105³ =
  4. 4.993³ =
  5. 5.983³ =
  6. 6.108³ =
  7. 7.1004³ =
  8. 8.91³ =
  9. 9.96³ =
  10. 10.1018³ =
  11. 11.99³ =
  12. 12.1013³ =
  13. 13.104³ =
  14. 14.1002³ =
  15. 15.981³ =
  16. 16.105³ =
  17. 17.108³ =
  18. 18.109³ =
  19. 19.109³ =
  20. 20.98³ =
  21. 21.106³ =
  22. 22.982³ =
  23. 23.106³ =
  24. 24.99³ =
  25. 25.105³ =
  26. 26.104³ =
  27. 27.990³ =
  28. 28.102³ =
  29. 29.105³ =
  30. 30.99³ =
  31. 31.98³ =
  32. 32.104³ =
  33. 33.96³ =
  34. 34.1019³ =
  35. 35.107³ =
  36. 36.98³ =
  37. 37.94³ =
  38. 38.1016³ =
  39. 39.97³ =
  40. 40.988³ =

Answer key

  1. 1012048064
  2. 1124864
  3. 1157625
  4. 979146657
  5. 949862087
  6. 1259712
  7. 1012048064
  8. 753571
  9. 884736
  10. 1054977832
  11. 970299
  12. 1039509197
  13. 1124864
  14. 1006012008
  15. 944076141
  16. 1157625
  17. 1259712
  18. 1295029
  19. 1295029
  20. 941192
  21. 1191016
  22. 946966168
  23. 1191016
  24. 970299
  25. 1157625
  26. 1124864
  27. 970299000
  28. 1061208
  29. 1157625
  30. 970299
  31. 941192
  32. 1124864
  33. 884736
  34. 1058089859
  35. 1225043
  36. 941192
  37. 830584
  38. 1048772096
  39. 912673
  40. 964430272

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