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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 225 · 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. 1.1011³ =
  2. 2.104³ =
  3. 3.989³ =
  4. 4.99³ =
  5. 5.1016³ =
  6. 6.986³ =
  7. 7.94³ =
  8. 8.992³ =
  9. 9.91³ =
  10. 10.1012³ =
  11. 11.94³ =
  12. 12.107³ =
  13. 13.106³ =
  14. 14.96³ =
  15. 15.104³ =
  16. 16.1016³ =
  17. 17.980³ =
  18. 18.985³ =
  19. 19.91³ =
  20. 20.994³ =
  21. 21.109³ =
  22. 22.994³ =
  23. 23.986³ =
  24. 24.99³ =
  25. 25.98³ =
  26. 26.987³ =
  27. 27.103³ =
  28. 28.95³ =
  29. 29.1011³ =
  30. 30.104³ =
  31. 31.96³ =
  32. 32.1020³ =
  33. 33.997³ =
  34. 34.980³ =
  35. 35.96³ =
  36. 36.91³ =
  37. 37.95³ =
  38. 38.94³ =
  39. 39.1003³ =
  40. 40.93³ =

Answer key

  1. 1033364331
  2. 1124864
  3. 967361669
  4. 970299
  5. 1048772096
  6. 958585256
  7. 830584
  8. 976191488
  9. 753571
  10. 1036433728
  11. 830584
  12. 1225043
  13. 1191016
  14. 884736
  15. 1124864
  16. 1048772096
  17. 941192000
  18. 955671625
  19. 753571
  20. 982107784
  21. 1295029
  22. 982107784
  23. 958585256
  24. 970299
  25. 941192
  26. 961504803
  27. 1092727
  28. 857375
  29. 1033364331
  30. 1124864
  31. 884736
  32. 1061208000
  33. 991026973
  34. 941192000
  35. 884736
  36. 753571
  37. 857375
  38. 830584
  39. 1009027027
  40. 804357

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