# Pennsylvania Core Standards in Mathematics — Grade 8

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#### CC.2.1.8.E.1

Distinguish between rational and irrational numbers using their properties.

#### CC.2.1.8.E.4

Estimate irrational numbers by comparing them to rational numbers.

#### CC.2.2.8.B.1

Apply concepts of radicals and integer exponents to generate equivalent expressions.

#### CC.2.2.8.B.2

Understand the connections between proportional relationships, lines, and linear equations.

#### CC.2.2.8.B.3

Analyze and solve linear equations and pairs of simultaneous linear equations.

#### CC.2.2.8.C.1

Define, evaluate, and compare functions.

#### CC.2.2.8.C.2

Use concepts of functions to model relationships between quantities.

#### CC.2.3.8.A.1

Apply the concepts of volume of cylinders, cones, and spheres to solve real world and mathematical problems.

#### CC.2.3.8.A.2

Understand and apply congruence, similarity, and geometric transformations using various tools.

#### CC.2.3.8.A.3

Understand and apply the Pythagorean Theorem to solve problems.

#### CC.2.4.8.B.1

Analyze and/or interpret bivariate data displayed in multiple representations.

#### CC.2.4.8.B.2

Understand that patterns of association can be seen in bivariate data utilizing frequencies.