In this study, we investigated the fluency with which first graders of different mathematical achievement levels applied multiple, school-taught strategies for finding arithmetic sums over 10. We ...

Under Common Core, it takes far too long for a teacher to show a student how to do simple addition, said Texas Gov. Greg Abbott. In 2013, the Texas Legislature passed a law prohibiting school ...

A brain teaser has left people across the internet scratching their heads - but far from a complicated algebraic puzzle, it's just a simple addition sum leaving them bewildered. Shared by ...