Numberphile
Shapes and Solids of Constant Width
Roll right along with an informative lesson that makes cents. Scholars learn that some shapes roll without any change in its width. The video in the Numberphile "Coins" series starts with two-dimensional figures, such as Reuleaux...
Krista King Math
Surface Area of Cones
Formulas are an essential part of mathematics, so help your class master them. The concept video exposes learners to the elements of the surface area formula for cones. The examples demonstrate the process of using measurements within...