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There are plenty of great resources here from NCTM. Along with fun activities, there's also an Illuminations lesson plans section with some great ... ... <看更多>

Illuminations now has a Pinterest account (NCTM Illuminations)! They have 11 boards and 109 pins of their top 10 lesson plans, activities, ... ... <看更多>

NCTM Illuminations, Reston, VA. 7443 likes · 1 talking about this. Visit illuminations.nctm.org for hundreds of free lessons and activities! ... <看更多>