The standard example is the so-called Ladder Graph. A balanced embedding of this graph looks exactly like a ladder. But Holm says: “In an unbalanced embedding, it is hardly recognizable.” ...

For the first time this spring, students taking basic skills tests nationwide will be using a free, online, embedded graphing calculator that its developer says may finally bring the tool into the ...

An 83-year-old math problem concerning sequences of 1s and –1s has been solved. ... To make it easier to visualize, think of a line of people (or, say, puppies and kittens in our example above).

You may go digging for your TI-84 graphing calculator to solve this viral math problem that's causing commotion on social media. The challenge is 8÷2(2+2). Do you know the answer?

Introducing new math concepts via already-worked examples can give students a significant boost in learning. But choosing the right problems makes a big difference. An analysis earlier this year ...