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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 838 · 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. 1.97³ =
  2. 2.106³ =
  3. 3.990³ =
  4. 4.992³ =
  5. 5.102³ =
  6. 6.1019³ =
  7. 7.1009³ =
  8. 8.1013³ =
  9. 9.1016³ =
  10. 10.1020³ =
  11. 11.102³ =
  12. 12.1005³ =
  13. 13.92³ =
  14. 14.108³ =
  15. 15.96³ =
  16. 16.1003³ =
  17. 17.103³ =
  18. 18.993³ =
  19. 19.1010³ =
  20. 20.109³ =
  21. 21.1013³ =
  22. 22.107³ =
  23. 23.108³ =
  24. 24.94³ =
  25. 25.998³ =
  26. 26.105³ =
  27. 27.97³ =
  28. 28.985³ =
  29. 29.106³ =
  30. 30.104³ =
  31. 31.990³ =
  32. 32.104³ =
  33. 33.995³ =
  34. 34.91³ =
  35. 35.99³ =
  36. 36.95³ =
  37. 37.101³ =
  38. 38.102³ =
  39. 39.94³ =
  40. 40.95³ =

Answer key

  1. 912673
  2. 1191016
  3. 970299000
  4. 976191488
  5. 1061208
  6. 1058089859
  7. 1027243729
  8. 1039509197
  9. 1048772096
  10. 1061208000
  11. 1061208
  12. 1015075125
  13. 778688
  14. 1259712
  15. 884736
  16. 1009027027
  17. 1092727
  18. 979146657
  19. 1030301000
  20. 1295029
  21. 1039509197
  22. 1225043
  23. 1259712
  24. 830584
  25. 994011992
  26. 1157625
  27. 912673
  28. 955671625
  29. 1191016
  30. 1124864
  31. 970299000
  32. 1124864
  33. 985074875
  34. 753571
  35. 970299
  36. 857375
  37. 1030301
  38. 1061208
  39. 830584
  40. 857375

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