After a delay of nearly a week, the Florida Department of Education has released examples that it says backs up its rejection of dozens of math textbooks because they contained questions and exercises ...

The common-core standards in English/language arts and mathematics are generally aligned to the leading state standards, international standards, and university standards at the high-school-exit level ...

A correction to an earlier version of this article has been appended to the end of the article. When Veera Sinha was a little girl in India, her father asked his kids to solve math puzzles in their ...