Well, what is the best way to cut a sandwich in half? Surely triangles don't really have "more sandwich," right? That's geometry and the law of conservation of matter. But something about the ...

Math problems aren’t always easy to figure out. They require practice and experience to master, especially if you don’t have much time to spend learning. These seemingly simple numbers and equations ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those ...

Oh, sorry! Did we greet you the wrong way? Well if so, then you are going to enjoy these math riddles even more today. When it comes to math, not everyone smiles. Not everyone raised their hands in ...

Everyone learns the number one rule about triangles in high school: the angles of a triangle add up to 180 degrees. But did you know that sometimes they don't? Triangles are much more interesting than ...

On the video, the rapper known as 2 Pi reels off rhymes as teenagers in classrooms and hallways sway and bop to the music. It's upbeat. It's catchy. It's . . . math. We solve triangles one by one We ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...