Paper Tip/Trick - Click Here for more great videos and pictures!
Of course, teachers who are freaked out by this kind of stuff can simply get student papers or copies of them electronically and then easily correct for these kinds of hacks. (Select all, change font and font size, fix character spacing, and tweak margins.)
But what I prefer to do is not specify a paper length at all. This invariably freaks students out, as they're generally used to being told how many pages to write, but I still find it to be worthwhile in that it enables us to talk about what students should write, and how they should write it, not how much they should write.
With that said, I'm teaching a class next year with "25 pages of written work" specified in the requirements. For students in that class or others with length requirements, I offer this list of four simple ways, in addition to super-sizing punctuation marks, to make your paper longer.
Four More Ways to Make a Paper Longer
→ have and then add more of your own ideas
→ talk about other people's ideas more
→ add more examples
→ discuss those examples
Is that so hard?