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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 903 · 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. 1.999³ =
  2. 2.994³ =
  3. 3.108³ =
  4. 4.996³ =
  5. 5.996³ =
  6. 6.989³ =
  7. 7.92³ =
  8. 8.96³ =
  9. 9.101³ =
  10. 10.107³ =
  11. 11.101³ =
  12. 12.98³ =
  13. 13.92³ =
  14. 14.92³ =
  15. 15.102³ =
  16. 16.980³ =
  17. 17.98³ =
  18. 18.108³ =
  19. 19.995³ =
  20. 20.1007³ =
  21. 21.999³ =
  22. 22.106³ =
  23. 23.99³ =
  24. 24.96³ =
  25. 25.980³ =
  26. 26.106³ =
  27. 27.99³ =
  28. 28.997³ =
  29. 29.992³ =
  30. 30.1003³ =
  31. 31.987³ =
  32. 32.989³ =
  33. 33.983³ =
  34. 34.105³ =
  35. 35.97³ =
  36. 36.996³ =
  37. 37.98³ =
  38. 38.98³ =
  39. 39.987³ =
  40. 40.101³ =

Answer key

  1. 997002999
  2. 982107784
  3. 1259712
  4. 988047936
  5. 988047936
  6. 967361669
  7. 778688
  8. 884736
  9. 1030301
  10. 1225043
  11. 1030301
  12. 941192
  13. 778688
  14. 778688
  15. 1061208
  16. 941192000
  17. 941192
  18. 1259712
  19. 985074875
  20. 1021147343
  21. 997002999
  22. 1191016
  23. 970299
  24. 884736
  25. 941192000
  26. 1191016
  27. 970299
  28. 991026973
  29. 976191488
  30. 1009027027
  31. 961504803
  32. 967361669
  33. 949862087
  34. 1157625
  35. 912673
  36. 988047936
  37. 941192
  38. 941192
  39. 961504803
  40. 1030301

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