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Why '5+5+5=15' is wrong under Common Core
- greenyoda 11y agoThis article is just blog-spam, with no details. As per HN Guidelines[1], please submit the original source: http://www.patheos.com/blogs/friendlyatheist/2015/10/21/why-would-a-math-teacher-punish-a-child-for-saying-5-x-3-15 http://www.patheos.com/blogs/friendlyatheist/2015/10/21/why-... [1] "Please submit the original source. If a post reports on something found on another site, submit the latter." (https://news.ycombinator.com/newsguidelines.html https://news.ycombinator.com/newsguidelines.html)