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de Beer, Huub; Gravemeijer, Koeno; van Eijck, Michiel – ZDM: The International Journal on Mathematics Education, 2015
To prepare students for participation in our society, where interpreting, representing, and manipulating of dynamic phenomena are becoming key activities, we believe that one should start developing a mathematical understanding of change at an early age. We therefore started a design research project to teach the concept of instantaneous speed in…
Descriptors: Mathematics Skills, Skill Development, Grade 5, Elementary School Students
Forrester, Ekaterina Petrovna – ProQuest LLC, 2013
Although considerable research has focused on the nature of reading-spelling relationships and its implications for practice, most of the literature is outdated, having been published in 1980s and 1990s. Moreover, limitations in the research base inhibit the full understanding of how reading and spelling development influence each other at…
Descriptors: Correlation, Reading Skills, Spelling, Elementary School Students