Math 6 Algebra Vocabulary Flashcards

Front

A math "sentence" with numbers, letters, and operations, but no equal sign (like 3x + 2).

Back

Expression

Front

A letter that stands for a number we don’t know yet (like x or y).

Back

Variable

Front

A math sentence that says two things are equivalent, using an equal sign (like 3x + 2 = 11).

Back

Equation

Front

A math sentence that compares two things and shows they are not equal (using >, <, ≥, ≤), like x + 3 < 7.

Back

Inequality

Front

The number that’s being multiplied by a variable (like the 5 in 5x).

Back

Coefficient

Front

A plain number with no variable (like 7 in x + 7).

Back

Constant

Front

A single “piece” of a math sentence that is in between math operation symbols (like 4x or -3 in the expression 4x + -3).

Back

Term

Front

Terms that have the exact same variables and exponents, like 3x and 7x.

Back

Like Terms

Front

To make a math sentence shorter by putting like terms together (like 2x + 3x = 5x).

Back

Simplify

Front

To replace a variable with a number
(like putting x = 4 into 3x to make 3(4)=12).

Back

Substitute