The website evaluation activity taught me about looking at a lot more that .edu to validate information. In high school, the idea was if it was .edu the information was from a school entity and therefore correct, but information from .com was not always reliable and had to be checked against other credible sources. BUT the website evaluation tools really explain all of the questions one needs to ask to consider the different aspects of reliability and validity of information.
In my own classroom, I think I may use the website evaluation when students are researching different solution techniques and mathematical explanations. There is a lot of math work out there that is explained from many different perspectives (physics, engineering, abstract mathematics...) and my students need to understand that although there are different explanations, some of these will make absolutely no sense or will miss important connections to the curriculum as a whole. Additionally, this resource will help students validate that solutions and hints found online are actually correct and not simply other misled students.
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