Today I am trying to plan out the first three 20-minute episodes for the summer calculus class. Lesson 1 is about the concept of the function, basic terminology, and how to compute function values ...

Facts and ideas can be mapped in ways that show how they relate to each other. The map drawing usually begins with outlined notes, because few people can think fast enough to construct a map in ...

North Carolina map-makers used “concept maps” unseen by the public to draw parts of the new state House map now under scrutiny in an ongoing gerrymandering lawsuit, according to a key lawmaker’s ...