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What’s In My Brain: Pentagon vs Pentagon

We’re looking at regular vs irregular polygons.

Math Curiosity: Magic Triangles

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

Depth and Complexity and Graphic Organizers

For Teachers

Let’s see a few examples of how Depth and Complexity slides nicely into any graphic organizer.

Thanksgiving Photo Writing

Starting with an old-timey photo, students will write from a particular item’s point of view.

Find The Pattern: Multiply Fractions

What if you set the stage for students to discover how to multiply fractions?

How Many Will There Be? Pyramids

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

Fractions: Decompose and Recompose

What if we took a fraction apart, then took those pieces apart, then recombined them, and then recombined those, arriving back to the original fraction?

Create Your Own Operation

The commutative and associative properties are a whole lot more interesting when you apply them to a mathematical operation that you created!

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!

Numerator or Denominator: Which has more power in a fraction?

What do you do with students who already get their fraction operations? Give them a contrived project about recipes or pizza slices? Make them solve annoyingly hard practice problems? Please. Here, we get students thinking in a whole new way, pondering which has more power, the numerator or denominator.

How Many Ways: Times Equals Minus

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

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.

Undoing Multiplication With Division

Multiplication and division, natural foes, are constantly seeking to undo each other. Students will attempt to reverse the effects of multiplication by dividing once, twice, or even thrice!

Why Is Our Calendar So Weird!?

Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!

The Resiliency Tournament

Your students will set up a tournament to determine which person or character best demonstrated resiliency.

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!

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.

Visualizing Fraction Multiplication

What does it look like to multiply fractions?

Fraction Puzzlers: Add and Subtract Fractions To Reach A Number

You only have six digits to form three fractions. Can you combine them to get to 0?

A Visual Guide To Dividing By Fractions

Have you ever wondered what it looks like to divide by a fraction, man?

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.

Multiple Perspectives in Primary

For Teachers

Even our youngest students can learn to think from multiple perspectives!