My most frequent design work needed to be mentioned in my portfolio! Each week I design new morning classroom messages for projection. They are often hastily thrown together, but I'm always mindful of good design.
Each week I design a new set of slides for the week to serve as morning messages in my classroom. Here are a few examples - with a screen shot of some of the ones I've made over time. It is one way I add design to my classroom on a daily basis.