How To Make Paper Glider Easy. Guessware) for letting me use his method. Here's his site where he shows it in the making:
To make your paper and plastic flying machine soar through the air you will need to give it thrust by tossing it with your hand, just like a rocket needs thrust to take off from the ground. This will be the point of the glider. Fold a rectangular sheet of paper in half the long way as in figure 1.
Then fold back the facing corner in just the same way.
Notice how these corner folds match in figure 2. Then fold back the facing corner in just the same way. To make the frame of your glider, roll the end of one straw and insert it into the end of another straw. Grab a piece of a4 size paper and lay it on the table in front of you lengthwise.