Apply and extend previous understandings of arithmetic to algebraic expressions.
Write, read, and evaluate expressions in which letters stand for numbers. (6.EE.2)
b. Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient); view one or more parts of an expression as a single entity. For example, describe the expression 2(8 + 7) as a product of two factors; view (8 + 7) as both a single entity and a sum of two terms. (6.EE.2b)
More information and the complete College and Career Readiness Standards can be found here.