Beherrschen der grundlegenden mathematischen Fakten zusätzlich Addition und Subtraktion: Strategien, Handlungen...
51,74 €
Our goal is automaticity and understanding; without both, our children will never build the foundational skills needed to do more complex math. Both the Common Core State Standards and the NCTM Principles and Standards emphasize the importance of understanding the concepts of addition and subtraction.
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