I know about 1+1, 1-1, 4+1 (ogres), 6+6 (trolls), etc. But giants were the only one (to my memory, right now) that had a range after the plus.
And I know that the "+1" after the HD put the monster attacking one "level" better on the to-hit matrix (and for XP). But for those purposes, "8+1"...