Addition & subtraction with regrouping using different strategies to solve. In this lesson, students go over addition and subtraction with regrouping using different strategies to solve. Today we ...

“For some, common core is creating common confusion,” said education correspondent Rehema Ellis on a recent NBC News segment. The crux of the news piece was that parents are struggling to help 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 ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Hello learners. My name's Miss White and I'm very excited to be teaching you today. For this lesson you ...

The National Council of Teachers of Mathematics is a public voice of mathematics education, providing vision, leadership, and professional development to support teachers in ensuring mathematics ...

Years ago, when her eighth-graders struggled with basic subtraction, teacher Rita Frenzel tried something different: She taught them chess. The math scores climbed, and so did a passion that would ...