This is what your paper airplane will look like.
Fold in half and open it out again when you get to this point fold the two top corners in.
Fold the two corners in again.
Fold the paper airplane in half again.
Fold down a bit of the paper to make the wing's.
Get some scissors and cut a slit by the middle of the paper airplane and fold the top parts up.
Cut two slits near the middle line on either side and fold it up.
Fold the back two corners up.
Step 8: You're Done!
Now have fun with your plane.