In order to graduate from high school, people usually spend about13 years (K-12) learning about math concepts. One of the things that math does is to give us a universal way to think about quantities.

Converting between fractions, decimals and percentages is a useful problem-solving skill. The data can be more easily ordered by size when written in the same format. Calculations often give a decimal ...

A fraction is part of a whole and is shown by writing one whole number above another. The top number is called the numerator and the bottom number is the denominator. Fractions are equivalent if they ...