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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 66 · 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. 1.101³ =
  2. 2.102³ =
  3. 3.993³ =
  4. 4.1011³ =
  5. 5.107³ =
  6. 6.997³ =
  7. 7.986³ =
  8. 8.99³ =
  9. 9.97³ =
  10. 10.92³ =
  11. 11.106³ =
  12. 12.95³ =
  13. 13.102³ =
  14. 14.98³ =
  15. 15.107³ =
  16. 16.980³ =
  17. 17.99³ =
  18. 18.97³ =
  19. 19.94³ =
  20. 20.998³ =
  21. 21.97³ =
  22. 22.102³ =
  23. 23.1017³ =
  24. 24.1014³ =
  25. 25.995³ =
  26. 26.93³ =
  27. 27.997³ =
  28. 28.985³ =
  29. 29.96³ =
  30. 30.1019³ =
  31. 31.105³ =
  32. 32.981³ =
  33. 33.986³ =
  34. 34.92³ =
  35. 35.995³ =
  36. 36.987³ =
  37. 37.1018³ =
  38. 38.106³ =
  39. 39.101³ =
  40. 40.108³ =

Answer key

  1. 1030301
  2. 1061208
  3. 979146657
  4. 1033364331
  5. 1225043
  6. 991026973
  7. 958585256
  8. 970299
  9. 912673
  10. 778688
  11. 1191016
  12. 857375
  13. 1061208
  14. 941192
  15. 1225043
  16. 941192000
  17. 970299
  18. 912673
  19. 830584
  20. 994011992
  21. 912673
  22. 1061208
  23. 1051871913
  24. 1042590744
  25. 985074875
  26. 804357
  27. 991026973
  28. 955671625
  29. 884736
  30. 1058089859
  31. 1157625
  32. 944076141
  33. 958585256
  34. 778688
  35. 985074875
  36. 961504803
  37. 1054977832
  38. 1191016
  39. 1030301
  40. 1259712

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