The Common Core specification is succinct and easily cited. Any particular grade in K-6 can be read in under 5 minutes.

http://www.corestandards.org/Math/Content/4/OA/

You did not. Common core teaches some very weird methods of addition and multiplication, and has a "process over product" mentality - getting the wrong answer is fine with the right method, and getting the right answer with the "wrong" method is bad.

Do you have any official sources?

> Interpret a multiplication equation as a comparison, e.g., interpret 35 = 5 × 7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations.

http://www.corestandards.org/Math/Content/4/OA/