Geometry


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Grouping Quadrilaterals In A Hierarchy

Grouping Quadrilaterals In A Hierarchy

Can we classify quadrilaterals like we classify living things?

The Angles of a Triangle

The Angles of a Triangle

Why tell a kid the rules of a triangle when they can discover them!?

Deducing the Area of Triangles

Deducing the Area of Triangles

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

Letters With Symmetry

Letters With Symmetry

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

Lines, Line Segments,  Rays, and Infinity!

Lines, Line Segments, Rays, and Infinity!

A lesson about lines, line segments, and rays that avoids dull memorization. Instead, we ponder this delightful question: Which is longer, a ray or a line? Then, kids consider what these different geometric concepts would think about each other.

What’s In My Brain: Trapezoids or Not?

What’s In My Brain: Trapezoids or Not?

What's the deal with these four sided polygons?

What’s In My Brain: Pentagon vs Pentagon

What’s In My Brain: Pentagon vs Pentagon

Students will be working with examples and non-examples to deduce the topic of regular polygons.

Grouping Shapes by Parallel and Perpendicular Sides

Grouping Shapes by Parallel and Perpendicular Sides

Which shapes go together based on parallel and perpendicular lines?

Geometry Image: Esplanade Theaters

Geometry Image: Esplanade Theaters

What odd and interesting shapes can your students find in this geometric image?

Geometry Image: Victoria Conference Center

Geometry Image: Victoria Conference Center

What odd and interesting shapes can your students find in this geometric image?

Geometry Image: University Ave

Geometry Image: University Ave

What odd and interesting shapes can your students find in this geometric image?

Geometry Image: Skytree

Geometry Image: Skytree

What odd and interesting shapes can your students find in this geometric image?

Geometry Image: Steigerwald

Geometry Image: Steigerwald

What odd and interesting shapes can your students find in this geometric image?