Based on Piaget's theory of logico-mathematical knowledge, 126 students in grades 2-5 were asked 6 questions about elapsed time. The main reason found for difficulty with elapsed time is children's inability to coordinate hierarchical units (hours and minutes). The educational implications drawn are that students must be encouraged to think about…

Most children under 7 years of age presented with 10 daisies and 2 roses fail to indicate that there are more flowers than daisies. Instead of the appropriate comparison of the relative numerosities of the superordinate class (flowers) to its subordinate class (daisies), they perform a direct perceptual comparison of the extensions of the 2…

This paper critically examines the English National Curriculum (NC) for History and its Schemes of Work's development of temporal cognition within the primary school. In addition, it outlines the findings of a longitudinal research study into Year 4 pupils' assimilation of historical time. The paper contends that the development of historical time…