A 150-year-old rule in geometry has been proven wrong. Mathematicians found two different doughnut-shaped surfaces that look ...

From fractions and decimals to distance and time, the humble-but-versatile number line can deepen students’ understanding of ...

It is one of the most consistent findings in electoral politics: voters are more likely to support candidates who come from ...

Teachers can use these questions to draw students out and get worthwhile formative assessment responses to guide instruction.

A simple random sample is a subset of a statistical population where each member of the population is equally likely to be chosen.

But sometimes I have to cut a sandwich or pizza in half. If the other person is equally hungry, they'll be scrupulous about the division being fair. Still there are tricky cases. What happens, for ...

The central limit theorem started as a bar trick for 18th-century gamblers. Now scientists rely on it every day. No matter where you look, a bell curve is close by. Place a measuring cup in your ...

In this video, I will show you how to use direct variation to help determine the missing variable, as well as how to determine if an equation is an example of direct variation or not. For an equation ...

A math teacher at a top San Francisco school has been placed on leave after allegedly adding fat-shaming and misogynistic questions to students’ tests. Tom Chan, who has worked at Lowell High School ...

* Metro Area refers to a Metropolitan Statistical Area (MSA). Except for “Total Score,” all columns show relative ranks, where 1 indicates the best conditions in that category. The study presents a ...