Writing Expressions and Equations

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (=).

Front

How do you translate '15 more than a number p' into an expression?

Back

Front

What does 'the quotient of a number x and 3' mean?

Back

Front

How do you write '4 more than the quotient of a number and 3' as an expression?

Back

Front

What is the multiplication equation for Cheryl's pay if she earns $8 per hour and made $96?

Back

Front

How do you express 'the product of a number n and the sum of the number and 2'?

Back

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression or equation.

Front

What does it mean to 'translate' a phrase into an algebraic expression?

Back

It means to convert a verbal statement into a mathematical expression using variables and numbers.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign and represents a value, while an equation states that two expressions are equal.