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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 264 · 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. 1.984³ =
  2. 2.104³ =
  3. 3.993³ =
  4. 4.99³ =
  5. 5.95³ =
  6. 6.91³ =
  7. 7.992³ =
  8. 8.108³ =
  9. 9.980³ =
  10. 10.991³ =
  11. 11.104³ =
  12. 12.992³ =
  13. 13.93³ =
  14. 14.103³ =
  15. 15.98³ =
  16. 16.98³ =
  17. 17.1016³ =
  18. 18.1020³ =
  19. 19.105³ =
  20. 20.104³ =
  21. 21.106³ =
  22. 22.92³ =
  23. 23.994³ =
  24. 24.1016³ =
  25. 25.107³ =
  26. 26.91³ =
  27. 27.999³ =
  28. 28.999³ =
  29. 29.981³ =
  30. 30.1001³ =
  31. 31.1010³ =
  32. 32.1005³ =
  33. 33.109³ =
  34. 34.993³ =
  35. 35.99³ =
  36. 36.1003³ =
  37. 37.1016³ =
  38. 38.97³ =
  39. 39.104³ =
  40. 40.1002³ =

Answer key

  1. 952763904
  2. 1124864
  3. 979146657
  4. 970299
  5. 857375
  6. 753571
  7. 976191488
  8. 1259712
  9. 941192000
  10. 973242271
  11. 1124864
  12. 976191488
  13. 804357
  14. 1092727
  15. 941192
  16. 941192
  17. 1048772096
  18. 1061208000
  19. 1157625
  20. 1124864
  21. 1191016
  22. 778688
  23. 982107784
  24. 1048772096
  25. 1225043
  26. 753571
  27. 997002999
  28. 997002999
  29. 944076141
  30. 1003003001
  31. 1030301000
  32. 1015075125
  33. 1295029
  34. 979146657
  35. 970299
  36. 1009027027
  37. 1048772096
  38. 912673
  39. 1124864
  40. 1006012008

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