Evaluating Expressions

Front

What is an algebraic expression for '12 more than a number'?

Back

x + 12

Front

Evaluate 3d if d = 5.

Back

15

Front

Evaluate 6y - 13 if y = 4.

Back

11

Front

Evaluate y + 17 if y = 11.

Back

28

Front

Evaluate 3x - 7 if x = 6.

Back

11

Front

What does it mean to evaluate an expression?

Back

To find the value of an expression by substituting numbers for variables.

Front

What is a variable in algebra?

Back

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

Front

What is a constant in an algebraic expression?

Back

A fixed value that does not change.

Front

What is the difference between an expression and an equation?

Back

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

Front

What is the order of operations in mathematics?

Back

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