Solving Expressions

Front

Evaluate when a = 15: 2(a - 5) + 2

Back

22

Front

Evaluate the expression: (23 + m) ÷ 9 when m = 4

Back

3

Front

Evaluate when x = 8: 2x + x - 10

Back

14

Front

Evaluate b² + 4 when b = 3

Back

13

Front

If 9 = p, what is p²?

Back

81

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 variables with numbers.

Front

What is the order of operations?

Back

The order in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). (PEMDAS)

Front

What is a variable in an expression?

Back

A symbol (often a letter) that represents an unknown value.

Front

What is the value of x in the expression 3x + 5 = 20?

Back

x = 5