8th Grade Math Packet Review

These flashcards cover key vocabulary terms and concepts from the 8th Grade Math Packet to aid in understanding and retention.

Integers

The set of positive whole numbers, their opposites, and zero.

Positive Integer

An integer greater than zero.

Negative Integer

An integer less than zero.

Absolute Value

The distance a number is from zero on the number line, regardless of direction.

Proportion

An equation stating that two ratios are equal.

Unit Rate

A rate that has a denominator of 1.

CIRCUMFERENCE

The distance around a circle, calculated as C = 2πr or C = πd.

Area of Rectangle

A = length x width.

Surface Area

The sum of the areas of all the surfaces of a three-dimensional figure.

Volume

The amount of space occupied by a three-dimensional object, calculated as V = Bh.

Mean

The average of a set of numbers, found by dividing the sum of the values by the number of values.

Complementary Angles

Two angles whose measures add up to 90 degrees.

Supplementary Angles

Two angles whose measures add up to 180 degrees.

Rate

A ratio that compares two quantities measured in different units.

Probability

A measure of how likely an event is to occur, expressed as a ratio of favorable outcomes to total outcomes.

Experimental Probability

The probability of an event determined through actual experiments or observations.

Theoretical Probability

The probability of an event calculated based on possible outcomes.

Dependent Events

Two events where the outcome of one event affects the outcome of the second.

Independent Events

Two events where the outcome of one event does not affect the outcome of the second.