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Zahlenbereichserweiterungen

In: Heuristische Strategien in der Schulmathematik

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  • Peter Stender

Abstract

Zusammenfassung In der Sekundarstufe wird der Zahlenraum, in dem die Schülerinnen und Schüler operieren sollen, schrittweise erweitert. Üblicherweise werden zunächst die positiven rationale Zahlen/positiven Brüche entwickelt, und dann die negativen Zahlen. Später werden noch reelle Zahlen gebildet. Es werden die beiden erstgenannten Zahlenbereichserweiterungen betrachtet. Hier wird keine vollständige Didaktik des Bruchrechnens entfaltet, es warden lediglich diejenigen Aspekte betrachtet, die aus Sicht der heuristischen Strategien relevant sind. Dabei treten die zentralen Gedanken zum Verständnis des Bruchbegriffs und von Dezimalzahlen in den Fokus.

Suggested Citation

  • Peter Stender, 2021. "Zahlenbereichserweiterungen," Springer Books, in: Heuristische Strategien in der Schulmathematik, chapter 0, pages 131-148, Springer.
    • Handle: RePEc:spr:sprchp:978-3-662-64079-1_6
    DOI: 10.1007/978-3-662-64079-1_6
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