ICMI-Study 23 in Macau / China

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Bei der ICMI Study 23 in Macau / China sind vom 3. - 7. Juni 2015 internationale Experten zusammengekommen, um sich über Primary Mathematics Study on Whole Numbers auszutauschen und zu diskutieren. Theme 3 beschäftigte sich mit "Aspects that affect whole number learning". Silke Ladel trug gemeinsam mit Ulrich Kortenkamp zu "Development of conceptual understanding of place value" vor.