← Back to all of your playlists

Playlist: Bookmarks

Sets of Idioms

Why do we say ‘break a leg’? Five themed sets of idioms your students will actually remember.

Rounding Numbers (But Not To 10)

What could we possibly do to make rounding more interesting for students who already get it? In this series, students consider how they might round to values other than “the nearest 10.” How, for example, do we round to the nearest 9? 7? 15?

Deducing the Area of Triangles

Using patterns, students try to deduce where that area formula came from.

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!

An Inductive Exploration Of Geometry

For Teachers

With inductive thinking, students will work from parts to whole, discovering big ideas along the way!