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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 468 · 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. 1.93³ =
  2. 2.92³ =
  3. 3.109³ =
  4. 4.984³ =
  5. 5.990³ =
  6. 6.105³ =
  7. 7.992³ =
  8. 8.1010³ =
  9. 9.1015³ =
  10. 10.103³ =
  11. 11.103³ =
  12. 12.1017³ =
  13. 13.1011³ =
  14. 14.99³ =
  15. 15.109³ =
  16. 16.92³ =
  17. 17.99³ =
  18. 18.1012³ =
  19. 19.102³ =
  20. 20.106³ =
  21. 21.102³ =
  22. 22.104³ =
  23. 23.997³ =
  24. 24.103³ =
  25. 25.95³ =
  26. 26.991³ =
  27. 27.91³ =
  28. 28.93³ =
  29. 29.101³ =
  30. 30.991³ =
  31. 31.98³ =
  32. 32.92³ =
  33. 33.1016³ =
  34. 34.109³ =
  35. 35.995³ =
  36. 36.997³ =
  37. 37.93³ =
  38. 38.1002³ =
  39. 39.994³ =
  40. 40.1014³ =

Answer key

  1. 804357
  2. 778688
  3. 1295029
  4. 952763904
  5. 970299000
  6. 1157625
  7. 976191488
  8. 1030301000
  9. 1045678375
  10. 1092727
  11. 1092727
  12. 1051871913
  13. 1033364331
  14. 970299
  15. 1295029
  16. 778688
  17. 970299
  18. 1036433728
  19. 1061208
  20. 1191016
  21. 1061208
  22. 1124864
  23. 991026973
  24. 1092727
  25. 857375
  26. 973242271
  27. 753571
  28. 804357
  29. 1030301
  30. 973242271
  31. 941192
  32. 778688
  33. 1048772096
  34. 1295029
  35. 985074875
  36. 991026973
  37. 804357
  38. 1006012008
  39. 982107784
  40. 1042590744

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