Half and half paper (dual designs) allows you to get creative. There are lots of reasons someone may want mixed paper styles on one sheet. Adults may like to plot designs, craft projects or solve engineering problems and write accompanying notes or draw sketches. Kids may like to solve a math problem and describe how they solved it (or even write a story about the problem ) The blank and lined papers can also be used as story paper for writing practice. Use your imagination to find functions for this paper in different niches.