Evaluating Expressions

Front

Evaluate the expression: Let g = 3, h = 9. What is 4h + 2g + 4?

Back

46

Front

Evaluate m² if m = 7.

Back

49

Front

Evaluate 3x - 7 if x = 6.

Back

11

Front

Evaluate 2a + 4b if a = 10 and b = 6.

Back

44

Front

Identify the variable in the expression: 3x + 9.

Back

x

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 the expression by substituting the variables with their values.

Front

What is a variable?

Back

A symbol (like x or y) that represents an unknown value.

Front

What is the order of operations?

Back

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

Front

Evaluate the expression: 5 + 2(3) - 4.

Back

7