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Ratey the Math Cat Common Core Standards
||Understand ratio concepts and use ratio reasoning to solve problems.
||Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities.
||Understand the concept of a unit rate a/b associated with the ratio a:b with b not equal to 0, and use rate language in the context of a ratio relationship.
||Use ratio and rate reasoning to solve real-world and mathematical problems, e.g. by reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.
||Ratios and Proportional Relationships
||Compute unit rates associated with ratios and fractions, including ratios of lengths, areas and other quantities measured in like or different units.
||Recognize and represent proportional relationships between quantities.
||Use proportional relationships to solve multistep ratio and percent problems.
||Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.
||Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a linear function represented by a table of values and a linear function represented by an algebraic expression, determine which function has the greater rate of change.
||Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.