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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 484 · 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. 1.107³ =
  2. 2.995³ =
  3. 3.95³ =
  4. 4.99³ =
  5. 5.986³ =
  6. 6.990³ =
  7. 7.103³ =
  8. 8.1012³ =
  9. 9.989³ =
  10. 10.997³ =
  11. 11.104³ =
  12. 12.1011³ =
  13. 13.980³ =
  14. 14.99³ =
  15. 15.103³ =
  16. 16.995³ =
  17. 17.106³ =
  18. 18.1016³ =
  19. 19.997³ =
  20. 20.104³ =
  21. 21.1011³ =
  22. 22.91³ =
  23. 23.99³ =
  24. 24.98³ =
  25. 25.989³ =
  26. 26.103³ =
  27. 27.1010³ =
  28. 28.98³ =
  29. 29.92³ =
  30. 30.98³ =
  31. 31.103³ =
  32. 32.109³ =
  33. 33.91³ =
  34. 34.96³ =
  35. 35.994³ =
  36. 36.93³ =
  37. 37.1018³ =
  38. 38.1008³ =
  39. 39.96³ =
  40. 40.96³ =

Answer key

  1. 1225043
  2. 985074875
  3. 857375
  4. 970299
  5. 958585256
  6. 970299000
  7. 1092727
  8. 1036433728
  9. 967361669
  10. 991026973
  11. 1124864
  12. 1033364331
  13. 941192000
  14. 970299
  15. 1092727
  16. 985074875
  17. 1191016
  18. 1048772096
  19. 991026973
  20. 1124864
  21. 1033364331
  22. 753571
  23. 970299
  24. 941192
  25. 967361669
  26. 1092727
  27. 1030301000
  28. 941192
  29. 778688
  30. 941192
  31. 1092727
  32. 1295029
  33. 753571
  34. 884736
  35. 982107784
  36. 804357
  37. 1054977832
  38. 1024192512
  39. 884736
  40. 884736

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