Eureka Math 6 -263: How long would it take to write every addition fact? Join Ms. Jeffers in this lesson about addition and subtraction expressions and learn how to show all those facts in just one ...

For an updated version of this story, see “Review of Math Programs Comes Under Fire.” The first round of a Consumer Reports-style review for instructional materials paints a dismal picture of the ...

In common-core states, nearly all math and language arts teachers are at least somewhat reliant on materials they’ve developed or selected themselves, according to a new nationally representative ...