Evaluating Expressions

Front

Evaluate x ÷ 4 if x = 80

Back

20

Front

Evaluate 3d if d = 5

Back

15

Front

Evaluate 4w - 3y if w = 7 and y = 6

Back

10

Front

Evaluate the expression. Let g = 3 and h = 9: 4h + 2g + 4

Back

46

Front

Evaluate c² - 11 if c = 8

Back

53

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 and performing the operations.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Evaluate 5 + 2 × 3

Back

11

Front

Evaluate (2 + 3) × 4

Back

20