ACT Math - Vocabulary Test #1 (8.16.19)

Numbers, symbols, and operators (such as + and x) grouped together that show the value of something. An example is "x + 6."

• average

• expression

• equation

• random

A calculated "central" value of a set of numbers. To calculate it: add up all the numbers then divide by how many numbers there are. Also called "mean."

• average

• equation

• random

• consecutive numbers

An ____ says two things are equal; a number sentence with an equals sign. An example is "4x - 7 = 5."

• integer

• ratio

• volume

• equation

Without order; not able to be predicted; happening by chance.

• random

• ratio

• integer

• volume

Numbers which follow each other in order, without gaps, from smallest to largest.

• least common multiple

• greatest common multiple

• consecutive numbers

• ratio

A number with no fractional part. The set of numbers containing {...-3, -2, -1, 0, 1, 2, 3,...}

• random

• integers

• volume

• expression

A _____shows the relative sizes of two or more values. An example is 1:3 - one dog for every 3 cats.

• integer

• average

• expression

• ratio

The amount of 3-dimensional space something takes up; also called capacity.

• volume

• least common multiple

• expression

• average

The smallest positive number that is a multiple of two or more numbers.

• equation

• consecutive numbers

• least common multiple

• random

The greatest number that is a factor of two (or more) other numbers.

• average

• equation

• greatest common factor

• volume