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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 90 · 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. 1.986³ =
  2. 2.98³ =
  3. 3.984³ =
  4. 4.1014³ =
  5. 5.1003³ =
  6. 6.106³ =
  7. 7.93³ =
  8. 8.1014³ =
  9. 9.92³ =
  10. 10.1006³ =
  11. 11.988³ =
  12. 12.93³ =
  13. 13.98³ =
  14. 14.99³ =
  15. 15.95³ =
  16. 16.103³ =
  17. 17.105³ =
  18. 18.986³ =
  19. 19.101³ =
  20. 20.1013³ =
  21. 21.1016³ =
  22. 22.102³ =
  23. 23.990³ =
  24. 24.109³ =
  25. 25.107³ =
  26. 26.1005³ =
  27. 27.107³ =
  28. 28.988³ =
  29. 29.107³ =
  30. 30.92³ =
  31. 31.1008³ =
  32. 32.983³ =
  33. 33.1014³ =
  34. 34.109³ =
  35. 35.1007³ =
  36. 36.104³ =
  37. 37.983³ =
  38. 38.997³ =
  39. 39.1008³ =
  40. 40.999³ =

Answer key

  1. 958585256
  2. 941192
  3. 952763904
  4. 1042590744
  5. 1009027027
  6. 1191016
  7. 804357
  8. 1042590744
  9. 778688
  10. 1018108216
  11. 964430272
  12. 804357
  13. 941192
  14. 970299
  15. 857375
  16. 1092727
  17. 1157625
  18. 958585256
  19. 1030301
  20. 1039509197
  21. 1048772096
  22. 1061208
  23. 970299000
  24. 1295029
  25. 1225043
  26. 1015075125
  27. 1225043
  28. 964430272
  29. 1225043
  30. 778688
  31. 1024192512
  32. 949862087
  33. 1042590744
  34. 1295029
  35. 1021147343
  36. 1124864
  37. 949862087
  38. 991026973
  39. 1024192512
  40. 997002999

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