Playlist: Bookmarks
New Uses For A Cardboard Tube
So, what can a cardboard tube be used for other than holding wrapping paper?
Crossing Every Bridge Exactly Once (aka Eulerian Paths)
How can you cross each bridge in this city exactly once?
What If… No Sleep?
What would the consequences be if no one had to sleep anymore?
Lipogram: Rewrite “Twinkle, Twinkle”
What if we rewrote a piece of writing without using certain letters?
Phrases to Join a Discussion
Want your classroom discussions to go a bit more smoothly? Train students to use a few simple phrases and it’ll make all the difference in the world.
Racetrack – Race Around A Graph
How fast do you get your mathematical car going without crashing?
Microchess (Chess Variant)
What if we played chess on a board that’s only 4×5?
Notice, Wonder: Swirls
A mysterious image. Reveal it slowly. Let your students wonder!
Greek and Latin Word Part Paths
How can we go from Biology to Immobile?
Parabolic Curve Art
Create mathematical art with curves that, well, aren’t curvy.
Tournament of Ancient Inventions
Which of these inventions of the ancient world is most influential? Least useful today? Most taken-for-granted?
How Many Ways: Fraction Subtraction 234
How many different ways can you make this fraction subtraction statement true using only the digits one through nine?
Doubling Up Writing: Anadiplosis
Repeating words can be what you want, if what you want is an interesting effect. (Psst, that’s an example of anadiplosis!)
Writing Technique: 3 Dependent Clauses
A specific technique to help students add some spice to their writing. We’ll be writing sentences with three dependent clauses.
Math Curiosity: Klauber’s Triangle
In 1932, a leading authority on rattlesnakes, Laurence Klauber, discovered a startling pattern within a triangle of primes.
Math Curiosity: A Pattern Packed Triangle
Pascal’s pattern-packed triangle is a potent puzzle for pupils to ponder.
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!
What’s In My Brain: Trapezoids or Not?
Which are trapezoids and which are not?
Intersecting Angles and Streets
There can never be just one angle.
Dots and Boxes
Who can make the most boxes from dots in this strategy game?
Grouping Quadrilaterals In A Hierarchy
Can we classify quadrilaterals like we classify living things?
What Does it Cost to Fill a Car with Other Liquids
Is gas actually that expensive? What if we filled a car up with… orange juice?
Fractals: Sierpinski’s Triangle
What if this triangle pattern just kept repeating… forever!?
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.
Propaganda and Logical Fallacies
Let’s see how propaganda techniques can make even something great seem bad.
Math Curiosity: Finding Primes
Prime numbers are unpredictable! How can we possibly find them all? An Ancient Greek mathematician found one way!
Depth and Complexity: 🚦 Rules
Is there a consequence for not doing something? You may have found a rule!
Discovering Pi With Sticky Notes
Pi is mysterious and strange! Why not let students discover it on their own?
Math Curiosity: Palindromic Number Conjecture
Using this one weird trick, it seems that you can turn any number into a palindrome!
Greekymon
Rather than just memorizing word parts, students will use those word parts to create four possible products.
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!
Teaching Empathy With Faberge Eggs
The story of the Fabergé Eggs is heartbreaking. It’s also the perfect way to build empathy in your classroom.
Writing Summaries in Haiku
Let’s write a summary. A very short summary. With VERY strict rules.
Greek and Latin Dinosaur Names
Let’s create a new dinosaur using Greek and Latin stems!