[url=http://csunplugged.org/]CS Unplugged[/url] - Free curriculum available online. http://csunplugged.org/[br][br][url=https://www.youtube.com/watch?v=kQZmZRE0cQY]Brown's Criterion[/url] - A Numberphile video. https://www.youtube.com/watch?v=kQZmZRE0cQY[br][br][url=https://www.csteachers.org/page/standards]CSTA K-12 CS Standards[/url] - Produced by the Computer Science Teachers Association, along with the Association for Computing Machinery (ACM). https://www.csteachers.org/page/standards[br][br][br][br]This "worksheet" appears in my "book" [url=https://www.geogebra.org/m/sTf7RvbN]CMCFN 2017 Files[/url]. If you've stumbled across it out of context, it probably doesn't make much sense.