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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 306 · 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. 1.97³ =
  2. 2.1018³ =
  3. 3.1017³ =
  4. 4.105³ =
  5. 5.984³ =
  6. 6.980³ =
  7. 7.95³ =
  8. 8.109³ =
  9. 9.997³ =
  10. 10.995³ =
  11. 11.95³ =
  12. 12.109³ =
  13. 13.1011³ =
  14. 14.993³ =
  15. 15.97³ =
  16. 16.99³ =
  17. 17.996³ =
  18. 18.99³ =
  19. 19.1005³ =
  20. 20.103³ =
  21. 21.91³ =
  22. 22.1018³ =
  23. 23.992³ =
  24. 24.1009³ =
  25. 25.997³ =
  26. 26.93³ =
  27. 27.1001³ =
  28. 28.101³ =
  29. 29.96³ =
  30. 30.986³ =
  31. 31.990³ =
  32. 32.99³ =
  33. 33.97³ =
  34. 34.983³ =
  35. 35.97³ =
  36. 36.94³ =
  37. 37.95³ =
  38. 38.98³ =
  39. 39.1020³ =
  40. 40.999³ =

Answer key

  1. 912673
  2. 1054977832
  3. 1051871913
  4. 1157625
  5. 952763904
  6. 941192000
  7. 857375
  8. 1295029
  9. 991026973
  10. 985074875
  11. 857375
  12. 1295029
  13. 1033364331
  14. 979146657
  15. 912673
  16. 970299
  17. 988047936
  18. 970299
  19. 1015075125
  20. 1092727
  21. 753571
  22. 1054977832
  23. 976191488
  24. 1027243729
  25. 991026973
  26. 804357
  27. 1003003001
  28. 1030301
  29. 884736
  30. 958585256
  31. 970299000
  32. 970299
  33. 912673
  34. 949862087
  35. 912673
  36. 830584
  37. 857375
  38. 941192
  39. 1061208000
  40. 997002999

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