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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 299 · 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. 1.985³ =
  2. 2.980³ =
  3. 3.92³ =
  4. 4.101³ =
  5. 5.1007³ =
  6. 6.108³ =
  7. 7.997³ =
  8. 8.1008³ =
  9. 9.104³ =
  10. 10.101³ =
  11. 11.993³ =
  12. 12.102³ =
  13. 13.102³ =
  14. 14.107³ =
  15. 15.108³ =
  16. 16.1001³ =
  17. 17.96³ =
  18. 18.1002³ =
  19. 19.1016³ =
  20. 20.1016³ =
  21. 21.98³ =
  22. 22.93³ =
  23. 23.1003³ =
  24. 24.988³ =
  25. 25.1018³ =
  26. 26.109³ =
  27. 27.992³ =
  28. 28.96³ =
  29. 29.104³ =
  30. 30.108³ =
  31. 31.101³ =
  32. 32.91³ =
  33. 33.99³ =
  34. 34.103³ =
  35. 35.1004³ =
  36. 36.98³ =
  37. 37.94³ =
  38. 38.996³ =
  39. 39.990³ =
  40. 40.108³ =

Answer key

  1. 955671625
  2. 941192000
  3. 778688
  4. 1030301
  5. 1021147343
  6. 1259712
  7. 991026973
  8. 1024192512
  9. 1124864
  10. 1030301
  11. 979146657
  12. 1061208
  13. 1061208
  14. 1225043
  15. 1259712
  16. 1003003001
  17. 884736
  18. 1006012008
  19. 1048772096
  20. 1048772096
  21. 941192
  22. 804357
  23. 1009027027
  24. 964430272
  25. 1054977832
  26. 1295029
  27. 976191488
  28. 884736
  29. 1124864
  30. 1259712
  31. 1030301
  32. 753571
  33. 970299
  34. 1092727
  35. 1012048064
  36. 941192
  37. 830584
  38. 988047936
  39. 970299000
  40. 1259712

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