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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 279 · 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. 1.107³ =
  2. 2.1017³ =
  3. 3.102³ =
  4. 4.1011³ =
  5. 5.91³ =
  6. 6.95³ =
  7. 7.1012³ =
  8. 8.91³ =
  9. 9.92³ =
  10. 10.95³ =
  11. 11.984³ =
  12. 12.1008³ =
  13. 13.105³ =
  14. 14.996³ =
  15. 15.103³ =
  16. 16.105³ =
  17. 17.95³ =
  18. 18.106³ =
  19. 19.92³ =
  20. 20.109³ =
  21. 21.106³ =
  22. 22.1006³ =
  23. 23.91³ =
  24. 24.1005³ =
  25. 25.1016³ =
  26. 26.94³ =
  27. 27.985³ =
  28. 28.95³ =
  29. 29.103³ =
  30. 30.997³ =
  31. 31.990³ =
  32. 32.982³ =
  33. 33.91³ =
  34. 34.93³ =
  35. 35.93³ =
  36. 36.983³ =
  37. 37.99³ =
  38. 38.1008³ =
  39. 39.989³ =
  40. 40.986³ =

Answer key

  1. 1225043
  2. 1051871913
  3. 1061208
  4. 1033364331
  5. 753571
  6. 857375
  7. 1036433728
  8. 753571
  9. 778688
  10. 857375
  11. 952763904
  12. 1024192512
  13. 1157625
  14. 988047936
  15. 1092727
  16. 1157625
  17. 857375
  18. 1191016
  19. 778688
  20. 1295029
  21. 1191016
  22. 1018108216
  23. 753571
  24. 1015075125
  25. 1048772096
  26. 830584
  27. 955671625
  28. 857375
  29. 1092727
  30. 991026973
  31. 970299000
  32. 946966168
  33. 753571
  34. 804357
  35. 804357
  36. 949862087
  37. 970299
  38. 1024192512
  39. 967361669
  40. 958585256

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