Evaluating Expressions

Front

Evaluate m² if m = 7

Back

49

Front

Evaluate -4x + 5 if x = -3

Back

17

Front

Evaluate 3x - 7 if x = 6

Back

11

Front

Evaluate 6y - 13 if y = 4

Back

11

Front

Evaluate 3b - 5 if b = -2

Back

-11

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 does it mean to evaluate an expression?

Back

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

Front

What is the order of operations in mathematics?

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

What is a variable in mathematics?

Back

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

Front

What is the value of x if 2x + 3 = 11?

Back

4