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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 510 · 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. 1.985³ =
  2. 2.102³ =
  3. 3.102³ =
  4. 4.991³ =
  5. 5.1005³ =
  6. 6.98³ =
  7. 7.1015³ =
  8. 8.999³ =
  9. 9.1004³ =
  10. 10.92³ =
  11. 11.101³ =
  12. 12.994³ =
  13. 13.105³ =
  14. 14.1013³ =
  15. 15.1020³ =
  16. 16.107³ =
  17. 17.1007³ =
  18. 18.105³ =
  19. 19.99³ =
  20. 20.996³ =
  21. 21.101³ =
  22. 22.106³ =
  23. 23.108³ =
  24. 24.1002³ =
  25. 25.981³ =
  26. 26.94³ =
  27. 27.987³ =
  28. 28.102³ =
  29. 29.987³ =
  30. 30.108³ =
  31. 31.1006³ =
  32. 32.106³ =
  33. 33.92³ =
  34. 34.994³ =
  35. 35.996³ =
  36. 36.95³ =
  37. 37.983³ =
  38. 38.91³ =
  39. 39.1016³ =
  40. 40.93³ =

Answer key

  1. 955671625
  2. 1061208
  3. 1061208
  4. 973242271
  5. 1015075125
  6. 941192
  7. 1045678375
  8. 997002999
  9. 1012048064
  10. 778688
  11. 1030301
  12. 982107784
  13. 1157625
  14. 1039509197
  15. 1061208000
  16. 1225043
  17. 1021147343
  18. 1157625
  19. 970299
  20. 988047936
  21. 1030301
  22. 1191016
  23. 1259712
  24. 1006012008
  25. 944076141
  26. 830584
  27. 961504803
  28. 1061208
  29. 961504803
  30. 1259712
  31. 1018108216
  32. 1191016
  33. 778688
  34. 982107784
  35. 988047936
  36. 857375
  37. 949862087
  38. 753571
  39. 1048772096
  40. 804357

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