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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 308 · 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. 1.99³ =
  2. 2.105³ =
  3. 3.105³ =
  4. 4.101³ =
  5. 5.1020³ =
  6. 6.104³ =
  7. 7.108³ =
  8. 8.95³ =
  9. 9.1010³ =
  10. 10.1013³ =
  11. 11.107³ =
  12. 12.93³ =
  13. 13.103³ =
  14. 14.104³ =
  15. 15.105³ =
  16. 16.107³ =
  17. 17.91³ =
  18. 18.102³ =
  19. 19.1012³ =
  20. 20.107³ =
  21. 21.95³ =
  22. 22.98³ =
  23. 23.1002³ =
  24. 24.98³ =
  25. 25.1012³ =
  26. 26.108³ =
  27. 27.990³ =
  28. 28.998³ =
  29. 29.1019³ =
  30. 30.96³ =
  31. 31.1018³ =
  32. 32.1013³ =
  33. 33.980³ =
  34. 34.985³ =
  35. 35.103³ =
  36. 36.102³ =
  37. 37.1014³ =
  38. 38.989³ =
  39. 39.1009³ =
  40. 40.94³ =

Answer key

  1. 970299
  2. 1157625
  3. 1157625
  4. 1030301
  5. 1061208000
  6. 1124864
  7. 1259712
  8. 857375
  9. 1030301000
  10. 1039509197
  11. 1225043
  12. 804357
  13. 1092727
  14. 1124864
  15. 1157625
  16. 1225043
  17. 753571
  18. 1061208
  19. 1036433728
  20. 1225043
  21. 857375
  22. 941192
  23. 1006012008
  24. 941192
  25. 1036433728
  26. 1259712
  27. 970299000
  28. 994011992
  29. 1058089859
  30. 884736
  31. 1054977832
  32. 1039509197
  33. 941192000
  34. 955671625
  35. 1092727
  36. 1061208
  37. 1042590744
  38. 967361669
  39. 1027243729
  40. 830584

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