Any tech tools, resources, recommendations, including the vast world of online learning.
Why not examine textbooks for their content and content distribution!
www.k-12math.info is a noncomercial Open Educational Resource (OER) that looks at many elementary and secondary school mathematics textbook series. Latest addition provides 3,000 links to CNX and CK-12.org OER math lessons, examples and exercises - organized the way most paper textbook series introduce them.
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