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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 429 · 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. 1.96³ =
  2. 2.1009³ =
  3. 3.105³ =
  4. 4.1012³ =
  5. 5.106³ =
  6. 6.989³ =
  7. 7.95³ =
  8. 8.1005³ =
  9. 9.92³ =
  10. 10.1014³ =
  11. 11.989³ =
  12. 12.98³ =
  13. 13.980³ =
  14. 14.98³ =
  15. 15.102³ =
  16. 16.107³ =
  17. 17.989³ =
  18. 18.990³ =
  19. 19.106³ =
  20. 20.108³ =
  21. 21.1020³ =
  22. 22.105³ =
  23. 23.101³ =
  24. 24.995³ =
  25. 25.95³ =
  26. 26.101³ =
  27. 27.98³ =
  28. 28.1006³ =
  29. 29.982³ =
  30. 30.980³ =
  31. 31.108³ =
  32. 32.1012³ =
  33. 33.997³ =
  34. 34.93³ =
  35. 35.106³ =
  36. 36.107³ =
  37. 37.983³ =
  38. 38.1003³ =
  39. 39.109³ =
  40. 40.996³ =

Answer key

  1. 884736
  2. 1027243729
  3. 1157625
  4. 1036433728
  5. 1191016
  6. 967361669
  7. 857375
  8. 1015075125
  9. 778688
  10. 1042590744
  11. 967361669
  12. 941192
  13. 941192000
  14. 941192
  15. 1061208
  16. 1225043
  17. 967361669
  18. 970299000
  19. 1191016
  20. 1259712
  21. 1061208000
  22. 1157625
  23. 1030301
  24. 985074875
  25. 857375
  26. 1030301
  27. 941192
  28. 1018108216
  29. 946966168
  30. 941192000
  31. 1259712
  32. 1036433728
  33. 991026973
  34. 804357
  35. 1191016
  36. 1225043
  37. 949862087
  38. 1009027027
  39. 1295029
  40. 988047936

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