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Playlist: Bookmarks

Letters With Symmetry

Let’s group letters by their symmetry, then create symmetrical words, and then symmetrical sentences!

Introduction to Puzzlements

For Teachers

How I accidentally discouraged curiosity in my classroom.

Math Curiosity: A Pattern Packed Triangle

Pascal’s pattern-packed triangle is a potent puzzle for pupils to ponder.

Not Like The Others: Charlotte’s Web

Four Charlotte’s Web characters. One doesn’t belong. But which one? That depends on your argument.

Fractals: Sierpinski’s Triangle

What if this triangle pattern just kept repeating… forever!?

Math Curiosity: Finding Primes

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