In this case, I describe a case study I carried out with a class of 5-year-old children. As a primary mathematics teacher-educator, I wished to experience--first hand--teaching mathematics language explicitly, as recommended by many international researchers and also by myself as part of my University courses. The topic taught was subtraction, and…

Regularly videotaping students' conversations for them to analyze gives them more holistic data from which they can learn and improve. This learner self-evaluated video shows teachers an innovative use of technology that enhances classroom interaction, increases students' ability to observe and control their learning, and provides teachers with…