Evaluating Expressions

Front

What is an expression?

Back

An expression is a combination of numbers, variables, and operation signs (like +, -, *, /) that represents a value. It does NOT include an equal sign.

Front

Back

2

Front

What is the value of the expression z + 2 - y when z = 4 and y = -9?

Back

15

Front

Back

-6

Front

Evaluate the expression: 4h + 2g + 4 for g = -3 and h = 9.

Back

34

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to substitute the values of the variables and perform the operations to find a numerical result.

Front

What is the order of operations used when evaluating expressions?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Back

11

Front

Back

2