Solving Expressions

Front

Evaluate the expression: (8 · j) − 10, j = 7

Back

46

Front

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

Back

14

Front

Evaluate b² + 4 when b = 3

Back

13

Front

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

Back

3

Front

If x=2 and y=4, what is 3x + y?

Back

10

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 a variable?

Back

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

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

What is the value of x in the expression 5x = 25?

Back

5