Retired engineer and inventor Ed Evenson might have a 0.00001 chance of changing the way math is taught in Illinois, but you won’t catch him giving a half-effort. Evenson, of Rolling Meadows, says ...

Living in a household of two means that I am forever scaling down recipes. This is usually no problem, unless the recipe calls for an odd number of eggs, and I am left trying to figure out how to add ...

Fractions are the basis for most higher-level mathematics. Students need to master the numerical values in earlier grades to tackle topics like algebra later. There’s only one hitch: Fractions can ...