Teachers in K-12 settings increasingly demand instructional materials beyond textbooks to follow the upward momentum of personalized instruction. Especially during the outbreak of COVID-19, K-12 teachers are forced to quickly adapt to online teaching and thus have more difficulties of delivering personalized instruction in a relatively…

In this article, we present the first results of the project OPEN-MATH. The research project aims at acknowledging the need for learning environments with differentiation strategies for all. We developed a model for inclusive mathematics learning, based on the Theory of Objectification and a broad idea of differentiation realized through Open…

Little research has examined the critical components of successful K-12 online schools, due in part to the theoretical focus of current frameworks on higher education rather than characteristics of K-12 online learners and environments. Using K-12 online research, this paper examined "teaching presence" as explained by the Community of…