Variables and Expressions

Front

What is a variable?

Back

A variable is a letter that stands for a number.

Front

What is an expression?

Back

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

Front

What does 'A number decreased by 10' translate to in an expression?

Back

Front

What does 'A number increased by 10' translate to in an expression?

Back

Front

What does 'The quotient of a number and 10' translate to in an expression?

Back

Front

Identify the variable in the expression: 2y + 4.

Back

The variable is y.

Front

Identify the variable in the expression: 5x - 3.

Back

The variable is x.

Front

What is the difference between a variable and a constant?

Back

A variable can change and represents a number, while a constant is a fixed value that does not change.

Front

What is the expression for 'twice a number'?

Back

Front

What is the expression for 'three times a number decreased by 4'?

Back