I made these signs to use in my class as an interactive bulletin board. I will pair these signs with a page that goes in my students' daily math journals. The first half of the file are the easier problems and the latter half are the harder ones. I simply used page protectors to display mine so that they were easy to write on/wipe off and easy to switch out when needed.
I will be posting the corresponding math journal page soon! Enjoy! And feedback is much appreciated!