'Are you symmetrical?" asks the interior designer Gwen Kenny as I glance anxiously at the mirror. But she isn't talking about my eyebrows. Kenny is talking about symmetry in the home. "One of the ...

Hello, I'm Mr Firth, and together we're going to learn about lines of symmetry. Symmetry is when one side of a shape looks exactly like the other—just flipped. Lots of buildings use symmetry because ...

Big Idea – We can describe, measure, and compare spatial relationships. to build on students' knowledge of line symmetry and develop students' reasoning with properties of symmetry to develop an ...

When most of us think of symmetry, we think of looking into a mirror or playing patty-cake with a child. As Oxford don du Sautoy (The Music of the Primes) tells readers, this is only the tip of the ...