The following are three examples of calculation strategies students might discover on their own if they were taught standard algorithms first and allowed to master them before moving on. The ...

https://www.facebook.com/photo.php?fbid=10208079501134099&set=a.2320230334001.2140526.1496845642&type=1 It’s hard to write about the Common Core State Standards for ...

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An Iowa woman jokingly calls it 'Satan's handiwork.' A California mom says she's broken down in tears. A Pennsylvania parent says it 'makes my blood boil.' What could be so horrible? Grade-school math ...