Great Math charts on this blog like this Division Man Anchor Chart
4th Grade: Pencil Strategies math r: read & underline the question o: box key words y: circle key numbers & hiden numbers~cross out unneeded numbers g: solve the problem draw a pic make a chart write & work it out b: show all work purple: does your answer make sense? try it out!
Here's a great anchor chart on ways to make five. Post also includes an anchor chart on different ways to show five.
I Do, We Do, You Do: Group Work Anchor Chart
Fraction Anchor Chart - 5th Grade Would work for MG in 2nd grade.