While educators and policymakers debate whether 8th graders can be readied to learn algebra, Sigrid B. Frawley sits in front of her kindergartners with a magic bag. She puts three tokens in the bag ...
https://doi.org/10.5951/mathteacher.106.8.0620 • https://www.jstor.org/stable/10.5951/mathteacher.106.8.0620 Copy URL ...
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