> They act exactly like sentences, and serve exactly the same purpose, because they are declarative sentences about the relationships between numbers. "Exactly

> They act exactly like sentences, and serve exactly the same purpose, because they are declarative sentences about the relationships between numbers. "Exactly" is simply incorrect in both occurrences, here. > It also, as a sibling comment notes, has nothing to do with Common Core, its an orthogonal development in pedagogical approach to the Common Core standards. All this hit alongside Common Core. Ask teachers and they won't quibble with lumping this practice in with Common Core, since that's how it's expressed in practice, though some might be aware that it's not in the standards. Source: I know a lot of teachers. > What you offer there is an analogy, not an example. It's both, so you're technically wrong, which I gather you think is the worst kind of wrong. Analogy's probably the better word here, though, sure, if I was only going to use one. > Analogies don't really act like examples and don’t serve the same purpose. They act exactly like them. Using your sense of "exactly" from above.