#### 6.RP.A.1

Understand the concept of a ratio and use ratio language to describe a ratio relationship between two quantities.

#### 6.RP.A.2

Understand the concept of a unit rate a/b associated with a ratio a:b with b ≠ 0, and use rate language in the context of a ratio relationship.

#### 6.RP.A.3

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.

#### 7.RP.A.1

Compute unit rates associated with ratios of fractions, including ratios of lengths, areas and other quantities measured in like or different units.

#### 7.RP.A.2

Recognize and represent proportional relationships between quantities.

#### 7.RP.A.2a

Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin.

#### 7.RP.A.2b

Identify the constant of proportionality (unit rate) in tables, graphs, equations, diagrams, and verbal descriptions of proportional relationships.

#### 7.RP.A.2c

Represent proportional relationships by equations.

#### 7.RP.A.2d

Explain what a point (

*x*,*y*) on the graph of a proportional relationship means in terms of the situation, with special attention to the points (0, 0) and (1,*r*) where r is the unit rate.#### 7.RP.A.3

Use proportional relationships to solve multistep ratio and percent problems.

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