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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 687 · 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. 3.1006³ =
  4. 4.983³ =
  5. 5.1003³ =
  6. 6.101³ =
  7. 7.93³ =
  8. 8.95³ =
  9. 9.92³ =
  10. 10.105³ =
  11. 11.94³ =
  12. 12.997³ =
  13. 13.99³ =
  14. 14.1001³ =
  15. 15.993³ =
  16. 16.92³ =
  17. 17.1006³ =
  18. 18.95³ =
  19. 19.103³ =
  20. 20.991³ =
  21. 21.101³ =
  22. 22.1001³ =
  23. 23.103³ =
  24. 24.1001³ =
  25. 25.1016³ =
  26. 26.109³ =
  27. 27.998³ =
  28. 28.1016³ =
  29. 29.1020³ =
  30. 30.980³ =
  31. 31.998³ =
  32. 32.98³ =
  33. 33.94³ =
  34. 34.103³ =
  35. 35.107³ =
  36. 36.999³ =
  37. 37.1020³ =
  38. 38.108³ =
  39. 39.102³ =
  40. 40.101³ =

Answer key

  1. 1259712
  2. 941192
  3. 1018108216
  4. 949862087
  5. 1009027027
  6. 1030301
  7. 804357
  8. 857375
  9. 778688
  10. 1157625
  11. 830584
  12. 991026973
  13. 970299
  14. 1003003001
  15. 979146657
  16. 778688
  17. 1018108216
  18. 857375
  19. 1092727
  20. 973242271
  21. 1030301
  22. 1003003001
  23. 1092727
  24. 1003003001
  25. 1048772096
  26. 1295029
  27. 994011992
  28. 1048772096
  29. 1061208000
  30. 941192000
  31. 994011992
  32. 941192
  33. 830584
  34. 1092727
  35. 1225043
  36. 997002999
  37. 1061208000
  38. 1259712
  39. 1061208
  40. 1030301

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