... Common core math is designed to teach number sense in the early grades. Word problems are a major part of the new standards. "Renaming addition?" Never heard of it and I teach common core math every day. I don't read about on the internet...
Spectrum Math, grade 3, published 2015, corresponding to CA state standards. Need me to post a picture from the book where it demonstrates renaming? Or can you take my word for it that I didn't just "read about it on the internet"?
