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Two Animals Switch Biomes

What if a capybara and a kangaroo rat switched homes? Would their adaptations be helpful at all?

Categorize and Re-Categorize Animals

Put these animals into groups. Then do it again. Then… do it one more time. How does re-re-grouping the same creatures reveal new patterns and give new insights?

Racetrack – Race Around A Graph

How fast do you get your mathematical car going without crashing?

Ultimate (or Inception) Tic Tac Toe

What if each square on a Tic-Tac-Toe board had another Tic-Tac-Toe board inside of it?

How Many Will There Be? Desks

Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.

An Escher-Style Tessellation Project

Create a piece of repeating art in the style of MC Escher!

How Many Will There Be? Triangles Within Triangles

A triangle splits and splits and splits again. How many will there be in step 20?

Intersecting Angles and Streets

There can never be just one angle.

Upgrade Research Questions With Depth and Complexity

Ever ask students to create research questions? Were their ideas a bit… blah? My own students had a very hard time writing questions they didn’t already know the answer to! This video is how I solved that problem: upgrade research questions with depth and complexity.

Exponents – How Low Can They Go?

Using exponent patterns, can students predict what the 0th power will be?

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?

The Angles of a Triangle

Why tell a kid the rules of a triangle when they can discover them!?

Deducing the Area of Triangles

Using patterns, students try to deduce where that area formula came from.

Building Creative Analogies

We’ll take two seemingly unrelated pieces of content (say volcanoes and the human body) and then build analogies to connect the two ideas. In the end, students can create a skit, comic, or story relating the two concepts.

Doubling Dollars

Say you have a dollar. Say you can double that dollar each day: $1, $2, $4, and so on. How long will it take to reach… one million dollars? Not as long as you might think!

Fractals: Sierpinski’s Triangle

What if this triangle pattern just kept repeating… forever!?

Propaganda and Logical Fallacies

Let’s see how propaganda techniques can make even something great seem bad.

Depth and Complexity: 📈 Trends

Has something been changing recently? What might be causing that? What are the effects?

Depth and Complexity: ⏳ Change Over Time

Want to get students thinking about how a topic has changed or might change in the future? The ⏳ Change Over Time thinking tool is just what you need!

Percents and Credit Cards

Let’s buy something expensive with a credit card and then make only the minumum payments!

Create A Civilization Introduction

Your students build a civilization from scratch — rivers, flags, calendars, currency, government. Social studies, science, and writing woven into one year-long project.

Create A Creature

Create a new creature based on the adaptations of existing creatures from the same biome.

The Game of 100

Who can get to 100 first in this simple, but delightful, math game?

An Inductive Exploration Of Geometry

For Teachers

With inductive thinking, students will work from parts to whole, discovering big ideas along the way!

New Uses for Everyday Things

For Teachers

Here’s how Joelle Trayers gets even her youngest students ready to think in unexpected ways.

Math Project: What If I Bought Apple Stock Instead?

What if you had an original iPod and sold it compared to if you had bought the equivalent amount of Apple stock and sold that?