PreAlgebra Ch 2 Vocabulary

Front

absolute value

Back

The distance of a number from zero on a number line, regardless of direction. It is always a non-negative value.

Front

additive inverse

Back

A number that, when added to another number, results in zero. For example, the additive inverse of 5 is -5.

Tags

CCSS.7.NS.A.1

Front

coordinate

Back

A pair of numbers that show a specific point on a grid, usually written in parentheses (x, y).

Front

inductive reasoning

Back

A method of reasoning that involves making generalizations based on specific examples or patterns observed.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Front

inequality

Back

A mathematical statement that compares two expressions and shows that they are not equal, using symbols like <, ≤, or ≥.

Tags

CCSS.7.EE.B.4

Front

integer

Back

A whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

negative number

Back

A number that is less than zero, often used to represent values below a reference point.

Tags

CCSS.7.NS.A.1

CCSS.7.NS.A.2

CCSS.7.NS.A.3

CCSS.7.EE.B.3

Front

opposites

Back

Two numbers that are the same distance from zero on a number line but in opposite directions. For example, 3 and -3.

Tags

CCSS.7.NS.A.1

Front

positive number

Back

A number that is greater than zero, representing values above a reference point.

Tags

CCSS.7.NS.A.3

CCSS.7.EE.B.3

Front

quadrant

Back

One of the four sections of a coordinate plane, created by the intersection of the x-axis and y-axis.