Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"negative numbers"”.
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Making Sense of Negative Numbers
Numbers are abstract objects that we conceptualize and make sense of through metaphors. When negative numbers appear in school mathematics, some properties of number sense related to natural numbers become contradictory. The metaphors seem to break down, making a transition from intuitive to formal …
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Nuclear, A Climate Opportunity
… efforts to bring net-carbon emissions to negative numbers. We must provide reliable and clean energy for everyone, including lower-income countries that still lack proper access to it, while removing the carbon dioxide emitted over the last years. To do so, carbon sequestration will …
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Grundvorstellungen bei Zahlbereichserweiterungen
… um die positiven Bruchzahlen und die negativen ganzen Zahlen geht für Schülerinnen und Schüler mit großen gedanklichen Hürden und einem Umbruch bis dahin aufgebauter Grundvorstellungen einher. Diese Masterarbeit trägt wesentliche Veränderungen auf der Vorstellungs- und …