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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 751 · 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. 1.108³ =
  2. 2.98³ =
  3. 3.103³ =
  4. 4.980³ =
  5. 5.998³ =
  6. 6.988³ =
  7. 7.109³ =
  8. 8.109³ =
  9. 9.101³ =
  10. 10.1001³ =
  11. 11.997³ =
  12. 12.101³ =
  13. 13.996³ =
  14. 14.1002³ =
  15. 15.106³ =
  16. 16.103³ =
  17. 17.1003³ =
  18. 18.96³ =
  19. 19.104³ =
  20. 20.1015³ =
  21. 21.98³ =
  22. 22.97³ =
  23. 23.1002³ =
  24. 24.108³ =
  25. 25.994³ =
  26. 26.994³ =
  27. 27.981³ =
  28. 28.93³ =
  29. 29.982³ =
  30. 30.983³ =
  31. 31.93³ =
  32. 32.1001³ =
  33. 33.102³ =
  34. 34.97³ =
  35. 35.97³ =
  36. 36.106³ =
  37. 37.105³ =
  38. 38.103³ =
  39. 39.990³ =
  40. 40.988³ =

Answer key

  1. 1259712
  2. 941192
  3. 1092727
  4. 941192000
  5. 994011992
  6. 964430272
  7. 1295029
  8. 1295029
  9. 1030301
  10. 1003003001
  11. 991026973
  12. 1030301
  13. 988047936
  14. 1006012008
  15. 1191016
  16. 1092727
  17. 1009027027
  18. 884736
  19. 1124864
  20. 1045678375
  21. 941192
  22. 912673
  23. 1006012008
  24. 1259712
  25. 982107784
  26. 982107784
  27. 944076141
  28. 804357
  29. 946966168
  30. 949862087
  31. 804357
  32. 1003003001
  33. 1061208
  34. 912673
  35. 912673
  36. 1191016
  37. 1157625
  38. 1092727
  39. 970299000
  40. 964430272

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