Representative Ryan Mackenzie, a Republican, is running for re-election in this battleground district in Pennsylvania’s Lehigh Valley. Election date: Nov. 3 Mr. Mackenzie faces Bob Brooks, a retired ...

Alphabet shares have quietly slipped far enough below their highs that a specific valuation gap has opened up, and the cloud ...

Every now and then, she stops to ask the fire-science and criminal-justice program teachers to talk about what their ...

Sometimes numbers seem to behave in mysterious ways, don't they? For example, when you multiply decimals, the numbers ...

Located on the Southeast Side, Highland Forest Elementary has seen huge gains in math scores, disrupting years of academic struggles.

"My child was doing fine with elementary school arithmetic, but they started getting stuck once 'x' appeared in 7th-grade math." This is a consultation I often hear from parents of 7th graders in the ...