RANDOM ACTS OF MATHEMATICAL DELIGHT

Use these teacher-recommended mathematical gems at random moments in your classroom.

Here’s a collection of videos recommended by colleagues across the globe.

Some pieces are short and make for excellent classroom starters. Some are longer for the odd ten- or fifteen- moments of class time. Some are longer still for full class activity.

### Have something to share?

### Today's Featured Video

#### Reflected Cats - Numberphile

Tadashi Tokieda plays with the curious geometry of reflections.

### Do you know your personal polynomial?

Do you want to see a mathematical formula spells your name? Do you want to see a graph of your formula?

Check out this cool app that shows you your name in math!