Bell Ringer

Front

Simplify the expression: 3(x + 4)

Back

3x + 12

Front

Which expression represents \(s\) students split evenly into 5 groups?

Back

\(\frac{s}{5}\)

Front

What is the difference between a numeric expression and an algebraic expression?

Back

An algebraic expression has variables and a numeric expression does not.

Front

What is a numeric expression?

Back

A numeric expression is a mathematical phrase that includes numbers and operations but no variables.

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes numbers, variables, and operations.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform operations to make it easier to understand.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in an expression or equation.

Front

What is the distributive property?

Back

The distributive property states that \(a(b + c) = ab + ac\).

Front

What is a coefficient?

Back

A coefficient is a number that is multiplied by a variable in an algebraic expression.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for the variables.