EXPRESSIONS Warmup Algebra 1

Front

What is an expression in algebra?

Back

An expression is a combination of numbers, variables, and operations (like addition, subtraction, multiplication, and division) that represents a value.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform operations to make it easier to understand or solve.

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol (like x or n) that represents an unknown value, while a constant is a fixed value (like 5 or 46).

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that dictates the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often remembered as PEMDAS.

Front

What does it mean to evaluate an expression?

Back

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

Front

What is the result of 3x when x = 2?

Back

The result is 6, because 3 * 2 = 6.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression does not include an equality sign.

Front

What does '5 times a number' mean in algebraic terms?

Back

It means to multiply 5 by a variable, often represented as 5n or 5x.

Front

What operation is represented by the term 'minus'?

Back

The term 'minus' represents subtraction.

Front

How would you write 'the difference between forty-six and a number' in algebraic form?

Back

It is written as 46 - n.