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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 353 · 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. 1.1008³ =
  2. 2.987³ =
  3. 3.996³ =
  4. 4.105³ =
  5. 5.987³ =
  6. 6.96³ =
  7. 7.1004³ =
  8. 8.93³ =
  9. 9.1020³ =
  10. 10.104³ =
  11. 11.94³ =
  12. 12.1004³ =
  13. 13.996³ =
  14. 14.109³ =
  15. 15.96³ =
  16. 16.91³ =
  17. 17.98³ =
  18. 18.988³ =
  19. 19.1018³ =
  20. 20.998³ =
  21. 21.993³ =
  22. 22.103³ =
  23. 23.1019³ =
  24. 24.101³ =
  25. 25.1017³ =
  26. 26.992³ =
  27. 27.994³ =
  28. 28.1011³ =
  29. 29.984³ =
  30. 30.104³ =
  31. 31.1019³ =
  32. 32.92³ =
  33. 33.994³ =
  34. 34.93³ =
  35. 35.93³ =
  36. 36.104³ =
  37. 37.95³ =
  38. 38.98³ =
  39. 39.1002³ =
  40. 40.999³ =

Answer key

  1. 1024192512
  2. 961504803
  3. 988047936
  4. 1157625
  5. 961504803
  6. 884736
  7. 1012048064
  8. 804357
  9. 1061208000
  10. 1124864
  11. 830584
  12. 1012048064
  13. 988047936
  14. 1295029
  15. 884736
  16. 753571
  17. 941192
  18. 964430272
  19. 1054977832
  20. 994011992
  21. 979146657
  22. 1092727
  23. 1058089859
  24. 1030301
  25. 1051871913
  26. 976191488
  27. 982107784
  28. 1033364331
  29. 952763904
  30. 1124864
  31. 1058089859
  32. 778688
  33. 982107784
  34. 804357
  35. 804357
  36. 1124864
  37. 857375
  38. 941192
  39. 1006012008
  40. 997002999

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