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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 530 · 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. 1.102³ =
  2. 2.981³ =
  3. 3.1007³ =
  4. 4.1005³ =
  5. 5.105³ =
  6. 6.106³ =
  7. 7.999³ =
  8. 8.93³ =
  9. 9.101³ =
  10. 10.95³ =
  11. 11.95³ =
  12. 12.99³ =
  13. 13.105³ =
  14. 14.988³ =
  15. 15.105³ =
  16. 16.93³ =
  17. 17.107³ =
  18. 18.1004³ =
  19. 19.1019³ =
  20. 20.95³ =
  21. 21.99³ =
  22. 22.999³ =
  23. 23.105³ =
  24. 24.999³ =
  25. 25.980³ =
  26. 26.97³ =
  27. 27.999³ =
  28. 28.103³ =
  29. 29.985³ =
  30. 30.109³ =
  31. 31.101³ =
  32. 32.1005³ =
  33. 33.997³ =
  34. 34.988³ =
  35. 35.996³ =
  36. 36.92³ =
  37. 37.95³ =
  38. 38.1012³ =
  39. 39.1002³ =
  40. 40.1005³ =

Answer key

  1. 1061208
  2. 944076141
  3. 1021147343
  4. 1015075125
  5. 1157625
  6. 1191016
  7. 997002999
  8. 804357
  9. 1030301
  10. 857375
  11. 857375
  12. 970299
  13. 1157625
  14. 964430272
  15. 1157625
  16. 804357
  17. 1225043
  18. 1012048064
  19. 1058089859
  20. 857375
  21. 970299
  22. 997002999
  23. 1157625
  24. 997002999
  25. 941192000
  26. 912673
  27. 997002999
  28. 1092727
  29. 955671625
  30. 1295029
  31. 1030301
  32. 1015075125
  33. 991026973
  34. 964430272
  35. 988047936
  36. 778688
  37. 857375
  38. 1036433728
  39. 1006012008
  40. 1015075125

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