Expressions Review

Front

A number with no variable attached is called a _____

Back

constant

Front

What is the coefficient in this expression: 3x + 4 - 2?

Back

3

Front

Evaluate n + 5² for n=3

Back

28

Front

A letter that represents a number is called a _____

Back

variable

Front

What would you solve first in the expression: 3 x 48 ÷ (15 - 3)?

Back

15 - 3

Front

What is an expression?

Back

A combination of numbers, variables, and operations.

Front

What is a term in an expression?

Back

A single mathematical expression that can be a number, variable, or the product of numbers and variables.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting variables with numbers.

Front

What is the difference between a coefficient and a constant?

Back

A coefficient is a number multiplied by a variable, while a constant is a fixed value without a variable.

Front

What is the order of operations?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).