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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 157 · 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. 1.95³ =
  2. 2.109³ =
  3. 3.97³ =
  4. 4.97³ =
  5. 5.108³ =
  6. 6.105³ =
  7. 7.107³ =
  8. 8.105³ =
  9. 9.985³ =
  10. 10.1013³ =
  11. 11.1006³ =
  12. 12.992³ =
  13. 13.985³ =
  14. 14.109³ =
  15. 15.992³ =
  16. 16.105³ =
  17. 17.99³ =
  18. 18.104³ =
  19. 19.93³ =
  20. 20.98³ =
  21. 21.105³ =
  22. 22.109³ =
  23. 23.105³ =
  24. 24.996³ =
  25. 25.985³ =
  26. 26.997³ =
  27. 27.990³ =
  28. 28.994³ =
  29. 29.102³ =
  30. 30.1015³ =
  31. 31.98³ =
  32. 32.99³ =
  33. 33.95³ =
  34. 34.106³ =
  35. 35.98³ =
  36. 36.995³ =
  37. 37.1005³ =
  38. 38.108³ =
  39. 39.983³ =
  40. 40.98³ =

Answer key

  1. 857375
  2. 1295029
  3. 912673
  4. 912673
  5. 1259712
  6. 1157625
  7. 1225043
  8. 1157625
  9. 955671625
  10. 1039509197
  11. 1018108216
  12. 976191488
  13. 955671625
  14. 1295029
  15. 976191488
  16. 1157625
  17. 970299
  18. 1124864
  19. 804357
  20. 941192
  21. 1157625
  22. 1295029
  23. 1157625
  24. 988047936
  25. 955671625
  26. 991026973
  27. 970299000
  28. 982107784
  29. 1061208
  30. 1045678375
  31. 941192
  32. 970299
  33. 857375
  34. 1191016
  35. 941192
  36. 985074875
  37. 1015075125
  38. 1259712
  39. 949862087
  40. 941192

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