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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 428 · 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. 1.990³ =
  2. 2.104³ =
  3. 3.103³ =
  4. 4.1009³ =
  5. 5.1001³ =
  6. 6.1004³ =
  7. 7.986³ =
  8. 8.98³ =
  9. 9.984³ =
  10. 10.91³ =
  11. 11.91³ =
  12. 12.1016³ =
  13. 13.1017³ =
  14. 14.1007³ =
  15. 15.92³ =
  16. 16.106³ =
  17. 17.997³ =
  18. 18.994³ =
  19. 19.92³ =
  20. 20.1018³ =
  21. 21.106³ =
  22. 22.103³ =
  23. 23.997³ =
  24. 24.95³ =
  25. 25.994³ =
  26. 26.993³ =
  27. 27.92³ =
  28. 28.1013³ =
  29. 29.92³ =
  30. 30.109³ =
  31. 31.985³ =
  32. 32.109³ =
  33. 33.97³ =
  34. 34.91³ =
  35. 35.102³ =
  36. 36.996³ =
  37. 37.97³ =
  38. 38.107³ =
  39. 39.104³ =
  40. 40.1019³ =

Answer key

  1. 970299000
  2. 1124864
  3. 1092727
  4. 1027243729
  5. 1003003001
  6. 1012048064
  7. 958585256
  8. 941192
  9. 952763904
  10. 753571
  11. 753571
  12. 1048772096
  13. 1051871913
  14. 1021147343
  15. 778688
  16. 1191016
  17. 991026973
  18. 982107784
  19. 778688
  20. 1054977832
  21. 1191016
  22. 1092727
  23. 991026973
  24. 857375
  25. 982107784
  26. 979146657
  27. 778688
  28. 1039509197
  29. 778688
  30. 1295029
  31. 955671625
  32. 1295029
  33. 912673
  34. 753571
  35. 1061208
  36. 988047936
  37. 912673
  38. 1225043
  39. 1124864
  40. 1058089859

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