A usable fraction is a fraction you can use to measure with (i.e., 1/2, 1/4, 1/8, 1/16 inch). You measure with fractions of an inch. However, your calculator works in decimals of an inch. If you want ...

For many elementary teachers, fractions have traditionally sprung to mind lessons involving pizzas, pies, and chocolate bars, among other varieties of “wholes” that can be shared. But in what many ...