Writing Equations

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often represented by letters, that stands for an unknown value in an equation.

Front

What does 'difference' mean in mathematical terms?

Back

In mathematics, 'difference' refers to the result of subtracting one number from another.

Front

How do you represent a situation where a number is decreased by another number?

Back

You can represent this situation with subtraction, for example, if a number x is decreased by y, it is written as x - y.

Front

What is the equation for 'twice a number plus 6 is -72'?

Back

Front

How do you write an equation for 'Scott charges $35 for each car plus $7 per hour'?

Back

Front

What does 'less than' indicate in an equation?

Back

Front

What is the equation for 'Jamie baked 48 cookies, which is 8 less than twice the number of cookies Gina baked'?

Back

Front

What does it mean to write an equation?

Back

Writing an equation means to express a mathematical relationship using symbols and numbers.