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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 958 · 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. 1.987³ =
  2. 2.106³ =
  3. 3.1002³ =
  4. 4.984³ =
  5. 5.94³ =
  6. 6.108³ =
  7. 7.95³ =
  8. 8.107³ =
  9. 9.92³ =
  10. 10.95³ =
  11. 11.106³ =
  12. 12.97³ =
  13. 13.1005³ =
  14. 14.1004³ =
  15. 15.107³ =
  16. 16.1007³ =
  17. 17.108³ =
  18. 18.992³ =
  19. 19.990³ =
  20. 20.93³ =
  21. 21.985³ =
  22. 22.999³ =
  23. 23.993³ =
  24. 24.104³ =
  25. 25.107³ =
  26. 26.102³ =
  27. 27.98³ =
  28. 28.1013³ =
  29. 29.1018³ =
  30. 30.987³ =
  31. 31.1008³ =
  32. 32.985³ =
  33. 33.99³ =
  34. 34.996³ =
  35. 35.101³ =
  36. 36.997³ =
  37. 37.92³ =
  38. 38.984³ =
  39. 39.108³ =
  40. 40.101³ =

Answer key

  1. 961504803
  2. 1191016
  3. 1006012008
  4. 952763904
  5. 830584
  6. 1259712
  7. 857375
  8. 1225043
  9. 778688
  10. 857375
  11. 1191016
  12. 912673
  13. 1015075125
  14. 1012048064
  15. 1225043
  16. 1021147343
  17. 1259712
  18. 976191488
  19. 970299000
  20. 804357
  21. 955671625
  22. 997002999
  23. 979146657
  24. 1124864
  25. 1225043
  26. 1061208
  27. 941192
  28. 1039509197
  29. 1054977832
  30. 961504803
  31. 1024192512
  32. 955671625
  33. 970299
  34. 988047936
  35. 1030301
  36. 991026973
  37. 778688
  38. 952763904
  39. 1259712
  40. 1030301

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