An in-depth discussion of Common Core standards, how to implement them in the classroom and how to evaluate student performance. Divided up by grade level and subject.

In math, students work with whole numbers and place value. They group numbers into 10s and 1s, and learn to add and subtract up through 20. They use charts, tables and diagrams to solve problems. In ...

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 ...

The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...

In early September, math teachers from across Kent County, Md., gathered for their first professional learning community meetings of the school year. Kris Hemstetter, a math and English/language arts ...

Some say the new Common Core math standards are too easy. Others say they're too hard or too focused on ideas rather than correct answers. Whatever they are, they're in full effect in California ...