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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 535 · 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. 1.1018³ =
  2. 2.101³ =
  3. 3.989³ =
  4. 4.94³ =
  5. 5.103³ =
  6. 6.1016³ =
  7. 7.996³ =
  8. 8.998³ =
  9. 9.101³ =
  10. 10.1008³ =
  11. 11.102³ =
  12. 12.987³ =
  13. 13.109³ =
  14. 14.101³ =
  15. 15.102³ =
  16. 16.987³ =
  17. 17.103³ =
  18. 18.1020³ =
  19. 19.982³ =
  20. 20.97³ =
  21. 21.91³ =
  22. 22.989³ =
  23. 23.106³ =
  24. 24.97³ =
  25. 25.109³ =
  26. 26.108³ =
  27. 27.102³ =
  28. 28.107³ =
  29. 29.1018³ =
  30. 30.993³ =
  31. 31.109³ =
  32. 32.995³ =
  33. 33.97³ =
  34. 34.99³ =
  35. 35.1013³ =
  36. 36.999³ =
  37. 37.101³ =
  38. 38.1009³ =
  39. 39.999³ =
  40. 40.92³ =

Answer key

  1. 1054977832
  2. 1030301
  3. 967361669
  4. 830584
  5. 1092727
  6. 1048772096
  7. 988047936
  8. 994011992
  9. 1030301
  10. 1024192512
  11. 1061208
  12. 961504803
  13. 1295029
  14. 1030301
  15. 1061208
  16. 961504803
  17. 1092727
  18. 1061208000
  19. 946966168
  20. 912673
  21. 753571
  22. 967361669
  23. 1191016
  24. 912673
  25. 1295029
  26. 1259712
  27. 1061208
  28. 1225043
  29. 1054977832
  30. 979146657
  31. 1295029
  32. 985074875
  33. 912673
  34. 970299
  35. 1039509197
  36. 997002999
  37. 1030301
  38. 1027243729
  39. 997002999
  40. 778688

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