Evaluating Expressions

Front

Evaluate 3d if d = 5

Back

15

Front

Evaluate m² if m = 7

Back

49

Front

Evaluate x ÷ 4 if x = 80

Back

20

Front

Evaluate b² + 3 if b = 9

Back

84

Front

Evaluate n³ if n = 4

Back

64

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 their given values.

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 a variable in mathematics?

Back

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

Front

What is the square of a number?

Back

The result of multiplying the number by itself.