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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 287 · 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. 1.999³ =
  2. 2.101³ =
  3. 3.108³ =
  4. 4.107³ =
  5. 5.101³ =
  6. 6.996³ =
  7. 7.103³ =
  8. 8.94³ =
  9. 9.97³ =
  10. 10.981³ =
  11. 11.104³ =
  12. 12.94³ =
  13. 13.99³ =
  14. 14.92³ =
  15. 15.994³ =
  16. 16.101³ =
  17. 17.92³ =
  18. 18.998³ =
  19. 19.103³ =
  20. 20.1010³ =
  21. 21.1018³ =
  22. 22.988³ =
  23. 23.999³ =
  24. 24.106³ =
  25. 25.993³ =
  26. 26.105³ =
  27. 27.104³ =
  28. 28.91³ =
  29. 29.987³ =
  30. 30.106³ =
  31. 31.107³ =
  32. 32.1002³ =
  33. 33.93³ =
  34. 34.108³ =
  35. 35.1009³ =
  36. 36.1020³ =
  37. 37.996³ =
  38. 38.105³ =
  39. 39.106³ =
  40. 40.106³ =

Answer key

  1. 997002999
  2. 1030301
  3. 1259712
  4. 1225043
  5. 1030301
  6. 988047936
  7. 1092727
  8. 830584
  9. 912673
  10. 944076141
  11. 1124864
  12. 830584
  13. 970299
  14. 778688
  15. 982107784
  16. 1030301
  17. 778688
  18. 994011992
  19. 1092727
  20. 1030301000
  21. 1054977832
  22. 964430272
  23. 997002999
  24. 1191016
  25. 979146657
  26. 1157625
  27. 1124864
  28. 753571
  29. 961504803
  30. 1191016
  31. 1225043
  32. 1006012008
  33. 804357
  34. 1259712
  35. 1027243729
  36. 1061208000
  37. 988047936
  38. 1157625
  39. 1191016
  40. 1191016

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