This is a trihexaflexagon . It's got three sides that each change, or "rotate"once. This is one of the sides and its rotatio...

Sixth graders are finishing up their Blue Willow china patterns after learning about monochromatic color. (*Note that some of these are j...

A combination of math and art, this annual 6th grade project intrigues everybody. We began making them when my 22 year old son was in 5th g...