Evaluating Expressions

Front

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

Back

22

Front

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

Back

44

Front

Evaluate 4y if y = 3

Back

12

Front

Evaluate b² + 4 when b = 3

Back

13

Front

Evaluate bc + 5a when a = 3, b = 4, and c = -6

Back

-9

Front

What is an expression in mathematics?

Back

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

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting variables with numbers.

Front

What is a variable?

Back

A variable is 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 order of operations is 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 3x + 2 when x = 4?

Back

14