2 Common Core Practice Tasks that focus on unit rate, proportions, proportional relationships, tables. The two tasks are Gasoline Prices, and Reading for Fun.
I have the students complete these and then compare responses written by classmates or peers. Without showing names, I use examples of student work that are missing information, or labels, etc. and work that have met all the requirements. Students share constructive criticism to help one another perform better on the actual CRA Common Core Tests