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Cool Math For Kids
Lots of wonderful games here that focus on specific strategies and concepts. -
Xtra Math
Great fluency practice for adding, subtracting, multiplying and dividing. Short, to-the-point, and focused. Username and password are needed; if your child doesn't have these, let his or her teacher know! -
Common Core Standards (4th grade)
Here's a link that outlines the National Common Core standards for math. These are the goals on which we will focus as we go through the year. While they are not "official" as of yet (they're expected to be in place by fall of 2013), much of what we do during 4th grade centers on these expectations.