Operations and Models
Whole-Number Operations and Fact FluencyDevelop addition, subtraction, multiplication, division strategies, facts, factor reasoning, and algorithms.Operations Models, Bar Models, and Word ProblemsTranslate situations into mathematical models, choose operations, build bar models, and solve one-step or multi-step stories.Equations, Variables, Expressions, and InequalitiesBridge arithmetic to symbolic structure: unknowns, balance, expressions, inequalities, order of operations, and negative contexts.Ratio, Rate, Scaling, and Proportional ReadinessPrepare proportional reasoning through ratio tables, rates, scaling, percent links, multiplicative comparison, and coordinate/scale contexts.