This is a scale for the Common Core standards MACC.3.OA.D.8 and MACC.3.OA.D.9 (In FL: MACC.3.OA.4.8 and MACC.3.OA.4.9) for 3rd grade Operations and Algebraic (Algebra) Thinking (patterns, addition/subtraction, add/subtract, rules, variables, rounding). It's a 0-4 scale, with 3 being the proficient level of mastering the standard. Please check out my numerous other scales as well.