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 ...

A third-grade homework assignment has reignited the debate over Common Core standards in schools across the country. A third-grade student answered the question, "What's 5x3," by writing "five plus ...

Here are 10 math problems that confused people across the internet. Can you solve them?