PSSA Math Vocab Practice Part 2

Front

Negative Integer

Back

Any integer less than zero.

Front

Integer

Back

The set of whole numbers and their opposites {...-2, -1, 0, 1, 2...}.

Front

Bar Notation

Back

The line over a repeating decimal.

Front

Absolute Value

Back

Distance from zero on a number line, represented by |a|. Example: |-2| = 2.

Front

Reciprocals

Back

The multiplicative inverse of a number.

Front

Dimensional Analysis

Back

The process of carrying units throughout a computation.

Front

Commutative Property

Back

The order of addition or multiplication of two numbers does not change their sum or product. For any numbers a and b, a + b = b + a and ab = ba. Example: 2 + 3 = 3 + 2 or 2 x 3 = 3 x 2.

Front

Compatible Numbers

Back

Two numbers that are easy to add, subtract, multiply, or divide mentally.

Front

Proportions

Back

An equation of the form a/b = c/d stating that the two ratios are equivalent.

Front

Percent Proportions

Back

Compares part of a quantity to the whole using a percent.