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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 888 · 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. 2.996³ =
  3. 3.98³ =
  4. 4.1018³ =
  5. 5.996³ =
  6. 6.105³ =
  7. 7.96³ =
  8. 8.99³ =
  9. 9.98³ =
  10. 10.996³ =
  11. 11.983³ =
  12. 12.986³ =
  13. 13.997³ =
  14. 14.1018³ =
  15. 15.94³ =
  16. 16.1003³ =
  17. 17.99³ =
  18. 18.94³ =
  19. 19.95³ =
  20. 20.999³ =
  21. 21.105³ =
  22. 22.1010³ =
  23. 23.108³ =
  24. 24.986³ =
  25. 25.994³ =
  26. 26.107³ =
  27. 27.92³ =
  28. 28.98³ =
  29. 29.104³ =
  30. 30.102³ =
  31. 31.96³ =
  32. 32.996³ =
  33. 33.98³ =
  34. 34.96³ =
  35. 35.993³ =
  36. 36.98³ =
  37. 37.1001³ =
  38. 38.106³ =
  39. 39.980³ =
  40. 40.1020³ =

Answer key

  1. 1012048064
  2. 988047936
  3. 941192
  4. 1054977832
  5. 988047936
  6. 1157625
  7. 884736
  8. 970299
  9. 941192
  10. 988047936
  11. 949862087
  12. 958585256
  13. 991026973
  14. 1054977832
  15. 830584
  16. 1009027027
  17. 970299
  18. 830584
  19. 857375
  20. 997002999
  21. 1157625
  22. 1030301000
  23. 1259712
  24. 958585256
  25. 982107784
  26. 1225043
  27. 778688
  28. 941192
  29. 1124864
  30. 1061208
  31. 884736
  32. 988047936
  33. 941192
  34. 884736
  35. 979146657
  36. 941192
  37. 1003003001
  38. 1191016
  39. 941192000
  40. 1061208000

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