Get ready to haunt your classroom with mathematical excitement this Halloween! Introducing the Haunted Symmetry: Reflection Drawing Kit - a bewitching tool for teachers to engage their students in the ...

find all the lines of symmetry of given shapes draw the symmetrical images of given shapes about a line draw the line of symmetry for two given symmetrical shapes There are five pages of exercises.

Why do humans love to look at patterns? I can only guess, but I've written a whole book about new mathematical ways to make them. In Creating Symmetry, The Artful Mathematics of Wallpaper Patterns, I ...

There's a part of the brain that enables us to perceive magnitude -- we can compare loudness when hearing different tones or compare the number of dots in a group at a glance. Neuroscientists have ...

Reflections and the more complex symmetry transformations differ from rigid body motions only because parity or handedness may be reversed, as in a mirror reflection. However, the size and shape of an ...