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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 434 · 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. 1.993³ =
  2. 2.105³ =
  3. 3.105³ =
  4. 4.1010³ =
  5. 5.91³ =
  6. 6.96³ =
  7. 7.92³ =
  8. 8.99³ =
  9. 9.989³ =
  10. 10.104³ =
  11. 11.107³ =
  12. 12.99³ =
  13. 13.1001³ =
  14. 14.107³ =
  15. 15.103³ =
  16. 16.109³ =
  17. 17.980³ =
  18. 18.1004³ =
  19. 19.1002³ =
  20. 20.101³ =
  21. 21.983³ =
  22. 22.1004³ =
  23. 23.109³ =
  24. 24.108³ =
  25. 25.1008³ =
  26. 26.997³ =
  27. 27.104³ =
  28. 28.1011³ =
  29. 29.107³ =
  30. 30.981³ =
  31. 31.95³ =
  32. 32.998³ =
  33. 33.93³ =
  34. 34.98³ =
  35. 35.98³ =
  36. 36.1002³ =
  37. 37.104³ =
  38. 38.1007³ =
  39. 39.96³ =
  40. 40.990³ =

Answer key

  1. 979146657
  2. 1157625
  3. 1157625
  4. 1030301000
  5. 753571
  6. 884736
  7. 778688
  8. 970299
  9. 967361669
  10. 1124864
  11. 1225043
  12. 970299
  13. 1003003001
  14. 1225043
  15. 1092727
  16. 1295029
  17. 941192000
  18. 1012048064
  19. 1006012008
  20. 1030301
  21. 949862087
  22. 1012048064
  23. 1295029
  24. 1259712
  25. 1024192512
  26. 991026973
  27. 1124864
  28. 1033364331
  29. 1225043
  30. 944076141
  31. 857375
  32. 994011992
  33. 804357
  34. 941192
  35. 941192
  36. 1006012008
  37. 1124864
  38. 1021147343
  39. 884736
  40. 970299000

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