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 ...

Many students in elementary grades struggle to grasp the perennially vexing concept of fractions. If those struggles persist ...