Ramon Prudencio S. Toledo

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How Online Small Groups Co-construct Mathematical Artifacts to do Collaborative Problem Solving Murat Perit Cakir Gerry Stahl, Ph.D. Developing pedagogies and instructional tools to support learning math with understanding is a major goal in math education. A common theme among various characterizations of mathematical understanding involves constructing(More)
Some commercial antispam and anti-phishing products prohibit email from "blacklisted" sites that they claim send spam and phishing email, while allowing email claiming to be from "whitelisted" sites they claim are known not to send it. This approach tends to unfairly discriminate against smaller and less-known sites, and would seem to be anti-competitive.(More)
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