# Pennsylvania Core Standards in Mathematics — Grade 7

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#### CC.2.1.7.D.1

Analyze proportional relationships and use them to model and solve real-world and mathematical problems.

#### CC.2.1.7.E.1

Apply and extend previous understandings of operations with fractions to operations with rational numbers.

#### CC.2.2.7.B.1

Apply properties of operations to generate equivalent expressions.

#### CC.2.2.7.B.3

Model and solve real world and mathematical problems by using and connecting numerical, algebraic, and/or graphical representations.

#### CC.2.3.7.A.1

Solve real-world and mathematical problems involving angle measure, area, surface area, circumference, and volume.

#### CC.2.3.7.A.2

Visualize and represent geometric figures and describe the relationships between them.

#### CC.2.4.7.B.1

Draw inferences about populations based on random sampling concepts.

#### CC.2.4.7.B.2

Draw informal comparative inferences about two populations.

#### CC.2.4.7.B.3

Investigate chance processes and develop, use, and evaluate probability models.