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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 907 · 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. 1.106³ =
  2. 2.1011³ =
  3. 3.1012³ =
  4. 4.95³ =
  5. 5.92³ =
  6. 6.1009³ =
  7. 7.101³ =
  8. 8.1001³ =
  9. 9.97³ =
  10. 10.106³ =
  11. 11.105³ =
  12. 12.995³ =
  13. 13.97³ =
  14. 14.993³ =
  15. 15.93³ =
  16. 16.1007³ =
  17. 17.99³ =
  18. 18.1007³ =
  19. 19.95³ =
  20. 20.101³ =
  21. 21.99³ =
  22. 22.91³ =
  23. 23.97³ =
  24. 24.985³ =
  25. 25.101³ =
  26. 26.1002³ =
  27. 27.108³ =
  28. 28.994³ =
  29. 29.990³ =
  30. 30.105³ =
  31. 31.997³ =
  32. 32.990³ =
  33. 33.97³ =
  34. 34.1014³ =
  35. 35.91³ =
  36. 36.983³ =
  37. 37.91³ =
  38. 38.92³ =
  39. 39.98³ =
  40. 40.105³ =

Answer key

  1. 1191016
  2. 1033364331
  3. 1036433728
  4. 857375
  5. 778688
  6. 1027243729
  7. 1030301
  8. 1003003001
  9. 912673
  10. 1191016
  11. 1157625
  12. 985074875
  13. 912673
  14. 979146657
  15. 804357
  16. 1021147343
  17. 970299
  18. 1021147343
  19. 857375
  20. 1030301
  21. 970299
  22. 753571
  23. 912673
  24. 955671625
  25. 1030301
  26. 1006012008
  27. 1259712
  28. 982107784
  29. 970299000
  30. 1157625
  31. 991026973
  32. 970299000
  33. 912673
  34. 1042590744
  35. 753571
  36. 949862087
  37. 753571
  38. 778688
  39. 941192
  40. 1157625

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