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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 956 · 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. 1.91³ =
  2. 2.1020³ =
  3. 3.1004³ =
  4. 4.980³ =
  5. 5.93³ =
  6. 6.984³ =
  7. 7.106³ =
  8. 8.981³ =
  9. 9.104³ =
  10. 10.92³ =
  11. 11.1004³ =
  12. 12.995³ =
  13. 13.1015³ =
  14. 14.101³ =
  15. 15.99³ =
  16. 16.101³ =
  17. 17.107³ =
  18. 18.995³ =
  19. 19.109³ =
  20. 20.1019³ =
  21. 21.108³ =
  22. 22.92³ =
  23. 23.108³ =
  24. 24.104³ =
  25. 25.95³ =
  26. 26.95³ =
  27. 27.104³ =
  28. 28.99³ =
  29. 29.95³ =
  30. 30.983³ =
  31. 31.996³ =
  32. 32.109³ =
  33. 33.101³ =
  34. 34.105³ =
  35. 35.99³ =
  36. 36.107³ =
  37. 37.106³ =
  38. 38.980³ =
  39. 39.1006³ =
  40. 40.1007³ =

Answer key

  1. 753571
  2. 1061208000
  3. 1012048064
  4. 941192000
  5. 804357
  6. 952763904
  7. 1191016
  8. 944076141
  9. 1124864
  10. 778688
  11. 1012048064
  12. 985074875
  13. 1045678375
  14. 1030301
  15. 970299
  16. 1030301
  17. 1225043
  18. 985074875
  19. 1295029
  20. 1058089859
  21. 1259712
  22. 778688
  23. 1259712
  24. 1124864
  25. 857375
  26. 857375
  27. 1124864
  28. 970299
  29. 857375
  30. 949862087
  31. 988047936
  32. 1295029
  33. 1030301
  34. 1157625
  35. 970299
  36. 1225043
  37. 1191016
  38. 941192000
  39. 1018108216
  40. 1021147343

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