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Playlist: 3rd Math

Math Curiosity: Magic Triangles

Can you make each side of this triangle add up to 9 using the digits 1-6?

Addition: 3 Digits Plus 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 addition.

What’s In My Brain: Trapezoids or Not?

Which are trapezoids and which are not?

Math Curiosity: Magic Squares

Imagine a 3×3 square in which every row, column, and diagonal have the same sum. That’s a magic square!

Grouping Quadrilaterals In A Hierarchy

Can we classify quadrilaterals like we classify living things?