Writing Expressions and Identifying Parts of Expressions

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What are the parts of an expression?

Back

The parts of an expression include terms, coefficients, variables, and operators.

Front

Define a term in an expression.

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term that multiplies a variable.

Front

What is a variable?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

How do you identify like terms in an expression?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Front

What does it mean to simplify an expression?

Back

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

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you multiply a term by each term inside the parentheses.

Front

Provide an example of using the distributive property.

Back

Example: 3(x + 4) = 3x + 12.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (=).