Playlist: Bookmarks
What’s In My Brain: H vs Arrow
Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?
Tournament of Mythological Creatures
Who will win the tournament of mythological creatures!?
What’s In My Brain: Pentagon vs Pentagon
We’re looking at regular vs irregular polygons.
The Heaviest Pumpkin
How heavy is the world’s heaviest pumpkin when measured in Mr. Byrds?
How Many Will There Be? Earthworm
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
Find The Pattern: Multiply Fractions
What if you set the stage for students to discover how to multiply fractions?
Notice, Wonder: Ramses
A mysterious image. Reveal it slowly. Let your students wonder!
Not Like The Others: US States
How is each of these states not like the others?
Not Like The Others: Mountains
Which of these mountains is not like the others?
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?
Subtraction: 3 Digits Minus 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 subtraction.
Evens and Odds – Addition and Subtraction
When we’re adding and subtracting, do evens make odds into evens? Do odds make evens odd? Which one has… more power!?
What’s In My Brain: Trapezoids or Not?
Which are trapezoids and which are not?
Math Curiosity: Odds & Squares
Why does the sum of the first 5 odds also equal 5 squared?
Math Curiosity: Finding Primes
Prime numbers are unpredictable! How can we possibly find them all? An Ancient Greek mathematician found one way!
Create A Civilization: From Hunter Gatherers to Farmers
What happens when your civilization suddenly has a surplus of food? Think of the possibilities!
Create A Civilization: The River
The Nile, the Tigris, the Euphrates, the Seine, the Thames, and now… your river!
Math Curiosity: Collatz Conjecture
The Collatz Conjecture: start with any number and get to 1 using just two rules. It seems to always work…