“This was the best money I have ever spent on a teaching tool.” ~ a teacher in Wisconsin

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Playlist: Bookmarks

A Halloween Costume Gone Wrong

A Halloween Costume Gone Wrong

Let’s go roller skating in a Halloween costume! What could possibly go wrong?

Parabolic Curve Art

Parabolic Curve Art

Create mathematical art with curves that, well, aren’t curvy.

Writing A Story About Fraction Equivalence

Writing A Story About Fraction Equivalence

When fractions take on a new denominator, it’s as if they’re wearing a disguise – same value, new look. So let’s write a story about fraction equivalence starring a fraction who needs to fit in with a new group.

Same Perimeter, Different Area For Rectangles

Same Perimeter, Different Area For Rectangles

Can two rectangles have the same perimeter but… different areas!?

More Specific than “Smart”

More Specific than “Smart”

When students are told that they’re “smart”, what does this word actually mean to them? (Psst. It isn’t what we intended.)

Building Creative Analogies

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.

Investigating Cost of Living

Investigating Cost of Living

Would you save money if you lived in Las Vegas and commuted every day to San Francisco?

The Thinking Hats

The Thinking Hats

So… do your students moan when forced to work in a group? Part of the problem is that lack the structure to work well with peers. Edward de Bono’s Thinking Hats are a perfect tool to help with this problem.

A Donut Investigation

A Donut Investigation

In this cross-curricular investigation, students will look into an intriguing question: do donuts or salads have more sugar? They’ll grapple with misleading information, bias, and use their math skills to create a visual representation of sugar in popular foods.

Math Curiosity: Collatz Conjecture

Math Curiosity: Collatz Conjecture

The Collatz Conjecture: start with any number and get to 1 using just two rules. It seems to always work…

Engineering: Build A Bridge

Engineering: Build A Bridge

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