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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 584 · 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. 1.102³ =
  2. 2.1001³ =
  3. 3.994³ =
  4. 4.105³ =
  5. 5.98³ =
  6. 6.97³ =
  7. 7.96³ =
  8. 8.980³ =
  9. 9.995³ =
  10. 10.1016³ =
  11. 11.95³ =
  12. 12.106³ =
  13. 13.97³ =
  14. 14.97³ =
  15. 15.1009³ =
  16. 16.982³ =
  17. 17.1010³ =
  18. 18.93³ =
  19. 19.1019³ =
  20. 20.92³ =
  21. 21.109³ =
  22. 22.92³ =
  23. 23.997³ =
  24. 24.96³ =
  25. 25.980³ =
  26. 26.101³ =
  27. 27.986³ =
  28. 28.995³ =
  29. 29.108³ =
  30. 30.106³ =
  31. 31.1011³ =
  32. 32.105³ =
  33. 33.1018³ =
  34. 34.982³ =
  35. 35.1004³ =
  36. 36.102³ =
  37. 37.107³ =
  38. 38.995³ =
  39. 39.1020³ =
  40. 40.109³ =

Answer key

  1. 1061208
  2. 1003003001
  3. 982107784
  4. 1157625
  5. 941192
  6. 912673
  7. 884736
  8. 941192000
  9. 985074875
  10. 1048772096
  11. 857375
  12. 1191016
  13. 912673
  14. 912673
  15. 1027243729
  16. 946966168
  17. 1030301000
  18. 804357
  19. 1058089859
  20. 778688
  21. 1295029
  22. 778688
  23. 991026973
  24. 884736
  25. 941192000
  26. 1030301
  27. 958585256
  28. 985074875
  29. 1259712
  30. 1191016
  31. 1033364331
  32. 1157625
  33. 1054977832
  34. 946966168
  35. 1012048064
  36. 1061208
  37. 1225043
  38. 985074875
  39. 1061208000
  40. 1295029

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