Eric.ed.gov – I’m Proud to Be a Toy Teacher: Using CRA to Become an Even More Effective Teacher
Læst 9 gange eric.ed.gov har udgivet: The role of manipulative materials in mathematics can be a contentious one. It seems that in the mind of some teachers, manipulatives are fine in the early years but have no place in a rigorous maths classroom as the students get older. It is a topic worth our consideration. Link til kilde