Teachers can use these tools to promote discussions and help students move from concrete to abstract understanding of concepts.

Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...

BERLIN, GERMANY - A teacher explains mathematics during a lesson with pupils (sixth graders), who are sitting at desks socially-distanced.(Photo by Christian Ender/Getty Images) Math education has ...