Add Yahoo as a preferred source to see more of our stories on Google. Fifteen years after the calamitous rollout of the Common Core math standards, the once-derided strategy has proven its staying ...

For example, one "viral" math problem piled on interpretations of four different Common Core second-grade math standards: number lines, place values, adding and subtracting up to 1,000, and the ...

It's not just Louis C.K. and Stephen Colbert who are confused about the Common Core. Get the facts here. The Common Core State Standards have vaulted into the national consciousness lately thanks to ...