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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 666 · 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. 1.980³ =
  2. 2.105³ =
  3. 3.1017³ =
  4. 4.998³ =
  5. 5.1007³ =
  6. 6.97³ =
  7. 7.999³ =
  8. 8.109³ =
  9. 9.96³ =
  10. 10.91³ =
  11. 11.1010³ =
  12. 12.981³ =
  13. 13.107³ =
  14. 14.1002³ =
  15. 15.999³ =
  16. 16.95³ =
  17. 17.1005³ =
  18. 18.98³ =
  19. 19.980³ =
  20. 20.102³ =
  21. 21.1011³ =
  22. 22.108³ =
  23. 23.1016³ =
  24. 24.94³ =
  25. 25.93³ =
  26. 26.97³ =
  27. 27.103³ =
  28. 28.999³ =
  29. 29.104³ =
  30. 30.1012³ =
  31. 31.107³ =
  32. 32.1006³ =
  33. 33.993³ =
  34. 34.96³ =
  35. 35.101³ =
  36. 36.996³ =
  37. 37.106³ =
  38. 38.107³ =
  39. 39.105³ =
  40. 40.101³ =

Answer key

  1. 941192000
  2. 1157625
  3. 1051871913
  4. 994011992
  5. 1021147343
  6. 912673
  7. 997002999
  8. 1295029
  9. 884736
  10. 753571
  11. 1030301000
  12. 944076141
  13. 1225043
  14. 1006012008
  15. 997002999
  16. 857375
  17. 1015075125
  18. 941192
  19. 941192000
  20. 1061208
  21. 1033364331
  22. 1259712
  23. 1048772096
  24. 830584
  25. 804357
  26. 912673
  27. 1092727
  28. 997002999
  29. 1124864
  30. 1036433728
  31. 1225043
  32. 1018108216
  33. 979146657
  34. 884736
  35. 1030301
  36. 988047936
  37. 1191016
  38. 1225043
  39. 1157625
  40. 1030301

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