One Step Equation Vocabulary review

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value but does not include an equal sign.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (e.g., x - 5 = 2).

Front

How many terms are in the expression -2 + 4y?

Back

There are 2 terms in the expression: -2 and 4y.

Front

What is a variable in an equation?

Back

A variable is a symbol (usually a letter) that represents an unknown value in an equation (e.g., n in -2n = -7).

Front

What is a coefficient?

Back

A coefficient is a numerical factor that multiplies a variable in an expression (e.g., in 4y, 4 is the coefficient).

Front

What is a constant in mathematics?

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A constant is a fixed value that does not change (e.g., in the expression 3x + 5, 5 is the constant).

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What does it mean for an expression to be simplified?

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Simplifying an expression means to combine like terms and reduce it to its simplest form.

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What is the difference between an expression and an equation?

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An expression does not have an equal sign and represents a value, while an equation states that two expressions are equal.

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What is a term in an expression?

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A term is a single mathematical component of an expression, which can be a number, a variable, or a product of numbers and variables.

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What is the purpose of solving an equation?

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The purpose of solving an equation is to find the value of the variable that makes the equation true.