woo post 100!!

ne ways i have a problem. wen i create a sub div's cube an go to poly mode -> faces each side as 4 as default so if i select them all and extrude they extrude seperatly
i have deleted the presets and this has not fixed it
does ne1 know what is wrong or how to fix.
soz i dont have ne screen dumps as it is at scholl and i am at home now. i ask the teacher an he does not know.
i can get around it by deleting the edges in the side i want to extrude but this is annoying.

help plz

thanks in advanced