Evaluating Expressions

Front

Evaluate 3b - 5 if b = -2

Back

-11

Front

Evaluate 5m + 7 if m = 5

Back

32

Front

Evaluate m² if m = 7

Back

49

Front

Evaluate 6y - 13 if y = 4

Back

11

Front

Evaluate m - n if m = 29 and n = 11

Back

18

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is a variable?

Back

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

Front

What is the order of operations?

Back

A set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of 2x + 3 when x = 4?

Back

11