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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 211 · 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. 1.1008³ =
  2. 2.982³ =
  3. 3.1018³ =
  4. 4.94³ =
  5. 5.999³ =
  6. 6.992³ =
  7. 7.990³ =
  8. 8.1017³ =
  9. 9.98³ =
  10. 10.995³ =
  11. 11.93³ =
  12. 12.1012³ =
  13. 13.1015³ =
  14. 14.1004³ =
  15. 15.97³ =
  16. 16.1019³ =
  17. 17.102³ =
  18. 18.1008³ =
  19. 19.94³ =
  20. 20.95³ =
  21. 21.94³ =
  22. 22.92³ =
  23. 23.993³ =
  24. 24.987³ =
  25. 25.92³ =
  26. 26.998³ =
  27. 27.93³ =
  28. 28.97³ =
  29. 29.998³ =
  30. 30.1018³ =
  31. 31.999³ =
  32. 32.102³ =
  33. 33.103³ =
  34. 34.998³ =
  35. 35.985³ =
  36. 36.988³ =
  37. 37.95³ =
  38. 38.983³ =
  39. 39.996³ =
  40. 40.99³ =

Answer key

  1. 1024192512
  2. 946966168
  3. 1054977832
  4. 830584
  5. 997002999
  6. 976191488
  7. 970299000
  8. 1051871913
  9. 941192
  10. 985074875
  11. 804357
  12. 1036433728
  13. 1045678375
  14. 1012048064
  15. 912673
  16. 1058089859
  17. 1061208
  18. 1024192512
  19. 830584
  20. 857375
  21. 830584
  22. 778688
  23. 979146657
  24. 961504803
  25. 778688
  26. 994011992
  27. 804357
  28. 912673
  29. 994011992
  30. 1054977832
  31. 997002999
  32. 1061208
  33. 1092727
  34. 994011992
  35. 955671625
  36. 964430272
  37. 857375
  38. 949862087
  39. 988047936
  40. 970299

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