The distinction between procedural and conceptual learning has long been a topic of discussion in mathematics education and the idea of compression into thinkable concepts that enable the individual make links between them (Tall, 2007). In addition to, the compression to thinkable concept was to be thinking mechanism arising naturally and…

In this action research, first-graders were challenged to cope with a sequence of modelling tasks involving an analysis of given situations and choices of mathematical tools. In the course of the sequence, they underwent a change in the nature of their problem-solving processes and developed modelling competencies. Moreover, during the task…

This material developed as a resource in Los Angeles, California, is designed to assist teachers in the planning of social studies programs for grades one, two, and three. The ideas and suggestions are related directly to the two State textbooks which were adopted in 1971--"The Social Sciences: Concepts and Values," and "Voices of Life." The…