8th grade STAAR Vocabulary

Front

Any number that can be written as a fraction.

Back

Rational number: A number that can be expressed as the quotient or fraction of two integers.

Tags

CCSS.5.NBT.A.2

Front

No X repeats in a relation.

Back

Function: A relation where each input (X) has exactly one output (Y).

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CCSS.8.F.A.1

Front

A transformation that changes size by multiplying.

Back

Dilation: A transformation that alters the size of a figure by a scale factor.

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CCSS.8.G.A.3

Front

What you multiply by to create a dilation.

Back

Scale factor: The number used to multiply the dimensions of a figure during dilation.

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CCSS.8.G.A.3

Front

Matching from one object to another. They go together.

Back

Corresponding: Refers to parts of figures that are in the same position relative to each other.

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CCSS.8.G.A.2

Front

A whole number that is not negative.

Back

Natural number: The set of positive integers (1, 2, 3, ...).

Front

A number that cannot be expressed as a simple fraction.

Back

Irrational number: A number that cannot be written as a fraction of two integers, such as √2 or π.

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CCSS.8.NS.A.1

Front

A straight line that goes on forever in both directions.

Back

Line: A one-dimensional figure that has no endpoints.

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CCSS.4.G.A.1

Front

A part of a line that has two endpoints.

Back

Line segment: A portion of a line that is bounded by two distinct endpoints.

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CCSS.HSG.CO.A.1

Front

The distance around a figure.

Back

Perimeter: The total length of the sides of a two-dimensional shape.