Pull the front edge with your left hand, and the back folded edge with your right hand. Cut off the bottom at the last fold. Tape the top edges of the bag together. Tape the bottom edges of bag together. Measure 30 cm.
Tape edges only.
You may want to use staples or glue instead. Fold in half and decorate. Students will construct a useful folder to hold their school papers. They will construct this folder from recycled brown bags. Upon completion of their folders they will have a clear understanding of how important it is to recycle.