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 ...

Research into the development of mathematical cognition has accelerated in recent times. In this literature review, findings from different approaches to studying simple addition performance are ...

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 ...