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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 738 · 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. 1.91³ =
  2. 2.990³ =
  3. 3.102³ =
  4. 4.982³ =
  5. 5.1015³ =
  6. 6.99³ =
  7. 7.1015³ =
  8. 8.986³ =
  9. 9.91³ =
  10. 10.989³ =
  11. 11.108³ =
  12. 12.980³ =
  13. 13.102³ =
  14. 14.1012³ =
  15. 15.107³ =
  16. 16.102³ =
  17. 17.102³ =
  18. 18.91³ =
  19. 19.1015³ =
  20. 20.108³ =
  21. 21.1013³ =
  22. 22.1012³ =
  23. 23.101³ =
  24. 24.98³ =
  25. 25.996³ =
  26. 26.103³ =
  27. 27.97³ =
  28. 28.93³ =
  29. 29.985³ =
  30. 30.97³ =
  31. 31.996³ =
  32. 32.1017³ =
  33. 33.1003³ =
  34. 34.999³ =
  35. 35.1005³ =
  36. 36.1002³ =
  37. 37.92³ =
  38. 38.986³ =
  39. 39.99³ =
  40. 40.96³ =

Answer key

  1. 753571
  2. 970299000
  3. 1061208
  4. 946966168
  5. 1045678375
  6. 970299
  7. 1045678375
  8. 958585256
  9. 753571
  10. 967361669
  11. 1259712
  12. 941192000
  13. 1061208
  14. 1036433728
  15. 1225043
  16. 1061208
  17. 1061208
  18. 753571
  19. 1045678375
  20. 1259712
  21. 1039509197
  22. 1036433728
  23. 1030301
  24. 941192
  25. 988047936
  26. 1092727
  27. 912673
  28. 804357
  29. 955671625
  30. 912673
  31. 988047936
  32. 1051871913
  33. 1009027027
  34. 997002999
  35. 1015075125
  36. 1006012008
  37. 778688
  38. 958585256
  39. 970299
  40. 884736

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