Apply and extend previous understandings of arithmetic to algebraic expressions.
Write, read, and evaluate expressions in which letters stand for numbers. (6.EE.2)
a. Write expressions that record operations with numbers and with letters standing for numbers. For example, express the calculation “Subtract y from 5” as 5 – y. (6.EE.2a)
More information and the complete College and Career Readiness Standards can be found here.