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Playlist: Bookmarks

Crossing Every Bridge Exactly Once (aka Eulerian Paths)

Crossing Every Bridge Exactly Once (aka Eulerian Paths)

How can you cross each bridge in this city exactly once?

Math Curiosity: Magic Triangles

Math Curiosity: Magic Triangles

Can you make each side of this triangle add up to 9 using the digits 1-6?

An Olympic Sized Pool and 2 Liter Bottles (Episode 1)

An Olympic Sized Pool and 2 Liter Bottles (Episode 1)

How many 2 liter bottles could you fill up using the water in an olympic-sized pool?

Measurement: A Long Movie

Measurement: A Long Movie

What if I told you a movie was a whopping 0.017 long? Could you figure out the unit I’m using? This lesson packs in strange measurements of time as well as tiny decimals.

Calculators, Patterns, and Multiplying By Decimals

Calculators, Patterns, and Multiplying By Decimals

Before teaching students the procedure for multiplying with decimals, how much can they intuitively glean from a structured play session with calculators?

Math Curiosity: The Coloring Problem

Math Curiosity: The Coloring Problem

No video gets me more email from students! How few colors can you use to color in any map so that no two, neighboring regions are the same color?

Engineering: Build A Bridge

Engineering: Build A Bridge

Using real bridges as their starting point, students will construct bridges out of straws and paperclips.