Determines the unknown number needed to make an equation true. This calculator has 1 input.
What 6 concepts are covered in the Unknown Number Calculator?
add
To bring two or more numbers (or things) together to make a new total +
equation
a statement declaring two mathematical expressions are equal
number
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
subtract
to take away from a group or a number of things -
unknown
a number or value we do not know
unknown number
Also known as a variable
Example calculations for the Unknown Number Calculator
