Jackson Ryan was CNET's science editor, and a multiple award-winning one at that. Earlier, he'd been a scientist, but he realized he wasn't very happy sitting at a lab bench all day. Science writing, ...

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 ...

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 ...

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 ...

Cichlids and stingrays can perform simple addition and subtraction in the number range of one to five, according to new research. It is not known what the animals need their mathematical abilities for ...