We've just begun our last Topic (Chapter) in math.  It covers probability.  This is not new, but it is a lot to remember for my fourth graders.
I created a foldable for them to use as a reference tool.  They glued these into their math notebooks and added their own notes to them, too. 
Here's a picture of the foldable:
This is the inside of the foldable:
Click on the picture above (or 
here) to grab your copy!
It's the end of the year as we know it...and I feel fine. {R.E.M. anyone?}