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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 349 · 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. 1.94³ =
  2. 2.99³ =
  3. 3.97³ =
  4. 4.105³ =
  5. 5.983³ =
  6. 6.1004³ =
  7. 7.97³ =
  8. 8.1009³ =
  9. 9.994³ =
  10. 10.1010³ =
  11. 11.99³ =
  12. 12.98³ =
  13. 13.93³ =
  14. 14.106³ =
  15. 15.99³ =
  16. 16.102³ =
  17. 17.994³ =
  18. 18.981³ =
  19. 19.91³ =
  20. 20.1002³ =
  21. 21.1005³ =
  22. 22.980³ =
  23. 23.94³ =
  24. 24.104³ =
  25. 25.987³ =
  26. 26.93³ =
  27. 27.983³ =
  28. 28.94³ =
  29. 29.1005³ =
  30. 30.998³ =
  31. 31.1004³ =
  32. 32.980³ =
  33. 33.95³ =
  34. 34.1018³ =
  35. 35.108³ =
  36. 36.986³ =
  37. 37.93³ =
  38. 38.989³ =
  39. 39.93³ =
  40. 40.91³ =

Answer key

  1. 830584
  2. 970299
  3. 912673
  4. 1157625
  5. 949862087
  6. 1012048064
  7. 912673
  8. 1027243729
  9. 982107784
  10. 1030301000
  11. 970299
  12. 941192
  13. 804357
  14. 1191016
  15. 970299
  16. 1061208
  17. 982107784
  18. 944076141
  19. 753571
  20. 1006012008
  21. 1015075125
  22. 941192000
  23. 830584
  24. 1124864
  25. 961504803
  26. 804357
  27. 949862087
  28. 830584
  29. 1015075125
  30. 994011992
  31. 1012048064
  32. 941192000
  33. 857375
  34. 1054977832
  35. 1259712
  36. 958585256
  37. 804357
  38. 967361669
  39. 804357
  40. 753571

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