Expressions

Front

True or false: 4x5 and 4∗5 mean the same thing.

Back

True

Front

What is the result of (19 - 7) ÷ 4 + 11?

Back

14

Front

What is the result of (3 + 4)² - 32?

Back

17

Front

True or false: Addition ALWAYS comes before subtraction.

Back

False

Front

What do you do first in 12 ÷ 3 x 4?

Back

12 ÷ 3

Front

What is an expression in mathematics?

Back

A combination of numbers, variables, and operators (like +, -, ×, ÷) that represents a value.

Front

What does the term 'evaluate' mean in mathematics?

Back

To calculate the value of an expression.

Front

What is the order of operations?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often abbreviated as PEMDAS.

Front

What is a variable in an expression?

Back

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

Front

What does it mean to simplify an expression?

Back

To reduce it to its simplest form by combining like terms and performing operations.