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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 478 · 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. 1.1004³ =
  2. 2.997³ =
  3. 3.989³ =
  4. 4.1001³ =
  5. 5.95³ =
  6. 6.105³ =
  7. 7.92³ =
  8. 8.109³ =
  9. 9.102³ =
  10. 10.101³ =
  11. 11.986³ =
  12. 12.98³ =
  13. 13.102³ =
  14. 14.1008³ =
  15. 15.1011³ =
  16. 16.104³ =
  17. 17.1009³ =
  18. 18.1008³ =
  19. 19.105³ =
  20. 20.981³ =
  21. 21.987³ =
  22. 22.93³ =
  23. 23.91³ =
  24. 24.1005³ =
  25. 25.987³ =
  26. 26.103³ =
  27. 27.1005³ =
  28. 28.93³ =
  29. 29.99³ =
  30. 30.104³ =
  31. 31.1011³ =
  32. 32.92³ =
  33. 33.1016³ =
  34. 34.997³ =
  35. 35.107³ =
  36. 36.981³ =
  37. 37.101³ =
  38. 38.109³ =
  39. 39.101³ =
  40. 40.991³ =

Answer key

  1. 1012048064
  2. 991026973
  3. 967361669
  4. 1003003001
  5. 857375
  6. 1157625
  7. 778688
  8. 1295029
  9. 1061208
  10. 1030301
  11. 958585256
  12. 941192
  13. 1061208
  14. 1024192512
  15. 1033364331
  16. 1124864
  17. 1027243729
  18. 1024192512
  19. 1157625
  20. 944076141
  21. 961504803
  22. 804357
  23. 753571
  24. 1015075125
  25. 961504803
  26. 1092727
  27. 1015075125
  28. 804357
  29. 970299
  30. 1124864
  31. 1033364331
  32. 778688
  33. 1048772096
  34. 991026973
  35. 1225043
  36. 944076141
  37. 1030301
  38. 1295029
  39. 1030301
  40. 973242271

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