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

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Playlist: Bookmarks

Tournament of Mythological Creatures

Tournament of Mythological Creatures

Who will win the tournament of mythological creatures!?

Slow Motion Popcorn

Slow Motion Popcorn

What surprises can you spot when a kernel pops in super slow-mo?

Cooking In Space

Cooking In Space

Watch astronaut Samantha Cristoforetti cook a meal in zero gravity on the International Space Station.

Frozen Bubble

Frozen Bubble

What happens when you blow a bubble in below-freezing temperatures?

Bobbing for Apples

Bobbing for Apples

What is bobbing for apples like… for an apple?

Looking Closely at Holiday Photos

Looking Closely at Holiday Photos

Let’s write from multiple perspectives using an old timey holiday photo!

Special Gifts with Special Requirements

Special Gifts with Special Requirements

Your special friends sure have some unique gift needs!

Mow A Lawn

Mow A Lawn

How long would it take to mow a very large lawn with a push-mower?

Inferring With Art: A Man

Inferring With Art: A Man

What’s going on in this painting? Who is that guy? What’s his job? And where’s his other boot?

Addition: 3 Digits Plus 2 Digits (Multiple Solutions)

Addition: 3 Digits Plus 2 Digits (Multiple Solutions)

Typical practice problems don’t move students up Bloom’s Taxonomy. With this framework, you’ll see kids stop and really think about how to approach multi-digit addition.

Disneyland Parking Structure Math Project

Disneyland Parking Structure Math Project

Your students will use estimation strategies to figure out how many parking spots are there in the parking structure at Disneyland? And you bet I reveal the real answer!

Parentheses: How big of a change can they make!?

Parentheses: How big of a change can they make!?

Two tiny parentheses. One expression. How big of a change can they make? Bigger than you think.

How Many Ways: Fraction Equivalence

How Many Ways: Fraction Equivalence

How many different ways can you make this math statement true using only the digits one through nine?

How Many Ways: Times Equals Minus

How Many Ways: Times Equals Minus

How many different ways can you make this math statement true using only the digits one through nine?

How Many Ways: Times Equals Times

How Many Ways: Times Equals Times

How many different ways can you make this math statement true using only the digits one through nine?

Same Perimeter, Different Area For Rectangles

Same Perimeter, Different Area For Rectangles

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

Rounding Numbers (But Not To 10)

Rounding Numbers (But Not To 10)

What could we possibly do to make rounding more interesting for students who already get it? In this series, students consider how they might round to values other than “the nearest 10.” How, for example, do we round to the nearest 9? 7? 15?

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.

Math Curiosity: Finding Primes

Math Curiosity: Finding Primes

Prime numbers are unpredictable! How can we possibly find them all? An Ancient Greek mathematician found one way!

Creating A Classroom Motto

Creating A Classroom Motto

Starting with specific examples of fantastic classroom behavior, your class will end up with one sentence summing up their expectations. It’s a classroom motto!

A Grid-Based Fraction Project

A Grid-Based Fraction Project

You’ve got 60 spaces on a grid to create an amusement park, a house, a farm, or whatever you’d like. Divide it into seven pieces, order it by size, combine into two halves, and more in this fraction project.

Writing Clear Directions

Writing Clear Directions

Can you write directions so clear that a group of kids can put a toy together with no illustrations?

Greek and Latin Dinosaur Names

Greek and Latin Dinosaur Names

Let’s create a new dinosaur using Greek and Latin stems!