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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 797 · 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. 1.106³ =
  2. 2.104³ =
  3. 3.1008³ =
  4. 4.91³ =
  5. 5.99³ =
  6. 6.995³ =
  7. 7.102³ =
  8. 8.1014³ =
  9. 9.94³ =
  10. 10.983³ =
  11. 11.1010³ =
  12. 12.96³ =
  13. 13.98³ =
  14. 14.108³ =
  15. 15.1007³ =
  16. 16.987³ =
  17. 17.97³ =
  18. 18.105³ =
  19. 19.98³ =
  20. 20.109³ =
  21. 21.97³ =
  22. 22.102³ =
  23. 23.97³ =
  24. 24.104³ =
  25. 25.1012³ =
  26. 26.986³ =
  27. 27.98³ =
  28. 28.91³ =
  29. 29.99³ =
  30. 30.95³ =
  31. 31.102³ =
  32. 32.105³ =
  33. 33.1002³ =
  34. 34.98³ =
  35. 35.97³ =
  36. 36.107³ =
  37. 37.92³ =
  38. 38.98³ =
  39. 39.1004³ =
  40. 40.95³ =

Answer key

  1. 1191016
  2. 1124864
  3. 1024192512
  4. 753571
  5. 970299
  6. 985074875
  7. 1061208
  8. 1042590744
  9. 830584
  10. 949862087
  11. 1030301000
  12. 884736
  13. 941192
  14. 1259712
  15. 1021147343
  16. 961504803
  17. 912673
  18. 1157625
  19. 941192
  20. 1295029
  21. 912673
  22. 1061208
  23. 912673
  24. 1124864
  25. 1036433728
  26. 958585256
  27. 941192
  28. 753571
  29. 970299
  30. 857375
  31. 1061208
  32. 1157625
  33. 1006012008
  34. 941192
  35. 912673
  36. 1225043
  37. 778688
  38. 941192
  39. 1012048064
  40. 857375

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