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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 904 · 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. 2.96³ =
  3. 3.1016³ =
  4. 4.1010³ =
  5. 5.99³ =
  6. 6.1002³ =
  7. 7.989³ =
  8. 8.95³ =
  9. 9.109³ =
  10. 10.105³ =
  11. 11.986³ =
  12. 12.986³ =
  13. 13.93³ =
  14. 14.93³ =
  15. 15.91³ =
  16. 16.94³ =
  17. 17.107³ =
  18. 18.93³ =
  19. 19.989³ =
  20. 20.983³ =
  21. 21.1018³ =
  22. 22.998³ =
  23. 23.1017³ =
  24. 24.1013³ =
  25. 25.94³ =
  26. 26.1013³ =
  27. 27.994³ =
  28. 28.987³ =
  29. 29.1010³ =
  30. 30.1010³ =
  31. 31.1001³ =
  32. 32.108³ =
  33. 33.1014³ =
  34. 34.1020³ =
  35. 35.987³ =
  36. 36.107³ =
  37. 37.99³ =
  38. 38.105³ =
  39. 39.987³ =
  40. 40.97³ =

Answer key

  1. 997002999
  2. 884736
  3. 1048772096
  4. 1030301000
  5. 970299
  6. 1006012008
  7. 967361669
  8. 857375
  9. 1295029
  10. 1157625
  11. 958585256
  12. 958585256
  13. 804357
  14. 804357
  15. 753571
  16. 830584
  17. 1225043
  18. 804357
  19. 967361669
  20. 949862087
  21. 1054977832
  22. 994011992
  23. 1051871913
  24. 1039509197
  25. 830584
  26. 1039509197
  27. 982107784
  28. 961504803
  29. 1030301000
  30. 1030301000
  31. 1003003001
  32. 1259712
  33. 1042590744
  34. 1061208000
  35. 961504803
  36. 1225043
  37. 970299
  38. 1157625
  39. 961504803
  40. 912673

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