Playlist: Bookmarks
What’s In My Brain: Grass vs Mold
Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?
What’s In My Brain: Tree vs Tree
Let’s look at deciduous vs coniferous trees.
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?
Plant Adaptation Tournament
Who will win in a tournament of eight plants with Interesting adaptations!?
Writing in Pilish
Pi can go beyond circles! What if you wrote using the digits of pi as your guide?
Looping Grid Art
Pick a few numbers, draw some corresponding lines on grid paper, and you’ll end up with some interesting, looping math-y art!
How Many Will There Be? Sliced Circles
Give kids a taste of a sequence, let them build an understanding, and then see how far their predictions can take them.
Notice, Wonder: Green Circles
A mysterious image. Reveal it slowly. Let your students wonder!
Same Perimeter, Different Area For Rectangles
Can two rectangles have the same perimeter but… different areas!?
Intersecting Angles and Streets
There can never be just one angle.
Grouping Quadrilaterals In A Hierarchy
Can we classify quadrilaterals like we classify living things?
Discovering Pi With Sticky Notes
Pi is mysterious and strange! Why not let students discover it on their own?
Exploring Circumference With Famous Circles
Let’s find how the diameter and circumference of famous circles are related.