Practice Evaluating Expressions

Front

Evaluate expression: -5a - b for a = -6 and b = 3

Back

27

Front

Evaluate n + 5² for n = 3

Back

28

Front

Evaluate 8a - b if a = 10 and b = 6

Back

74

Front

Evaluate 8y + 12 - 2z for y = 4 and z = 2

Back

40

Front

Evaluate 4y² - 3(2y + 1)(3y - 12) when y = 5

Back

1

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 in mathematics?

Back

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

Front

What is the order of operations?

Back

The rules that define the correct sequence to evaluate a mathematical expression: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the value of 5²?

Back

25