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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 128 · 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. 1.94³ =
  2. 2.998³ =
  3. 3.105³ =
  4. 4.97³ =
  5. 5.108³ =
  6. 6.996³ =
  7. 7.98³ =
  8. 8.93³ =
  9. 9.95³ =
  10. 10.995³ =
  11. 11.91³ =
  12. 12.992³ =
  13. 13.994³ =
  14. 14.103³ =
  15. 15.109³ =
  16. 16.92³ =
  17. 17.103³ =
  18. 18.992³ =
  19. 19.1002³ =
  20. 20.101³ =
  21. 21.995³ =
  22. 22.91³ =
  23. 23.98³ =
  24. 24.102³ =
  25. 25.103³ =
  26. 26.104³ =
  27. 27.999³ =
  28. 28.94³ =
  29. 29.981³ =
  30. 30.98³ =
  31. 31.989³ =
  32. 32.104³ =
  33. 33.105³ =
  34. 34.1013³ =
  35. 35.92³ =
  36. 36.1009³ =
  37. 37.102³ =
  38. 38.1012³ =
  39. 39.1002³ =
  40. 40.106³ =

Answer key

  1. 830584
  2. 994011992
  3. 1157625
  4. 912673
  5. 1259712
  6. 988047936
  7. 941192
  8. 804357
  9. 857375
  10. 985074875
  11. 753571
  12. 976191488
  13. 982107784
  14. 1092727
  15. 1295029
  16. 778688
  17. 1092727
  18. 976191488
  19. 1006012008
  20. 1030301
  21. 985074875
  22. 753571
  23. 941192
  24. 1061208
  25. 1092727
  26. 1124864
  27. 997002999
  28. 830584
  29. 944076141
  30. 941192
  31. 967361669
  32. 1124864
  33. 1157625
  34. 1039509197
  35. 778688
  36. 1027243729
  37. 1061208
  38. 1036433728
  39. 1006012008
  40. 1191016

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