This article was originally published in The Hechinger Report. ASTON, Pa.— In Jodie Murphy’s kindergarten class, math lessons go beyond the basics of counting and recognizing numbers. On a recent ...

Adults who are anxious about math have more difficulty doing even basic operations, such as counting six squares on a computer screen, than people who do not dread calculating a tip or the amount they ...

In 1992, Karen Wynn’s numbers came in big. The numbers in question were tiny in an absolute sense, but they counted for a lot among investigators of child development. The reason: Wynn claimed to have ...