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TEKS Math Standard: 1.6.D

identify two-dimensional shapes, including circles, triangles, rectangles, and squares, as special rectangles, rhombuses, and hexagons and describe their attributes using formal geometric language

What’s In My Brain: H vs Arrow
What’s In My Brain: H vs Arrow
Two columns. One is an example, one isn’t. Can you figure out the hidden rule before the big reveal?
Gr 1, 2, 3, 4, 5, 8
What’s In My Brain: Pentagon vs Pentagon
What’s In My Brain: Pentagon vs Pentagon
We’re looking at regular vs irregular polygons.
Gr 1-8
Grouping Shapes by Parallel and Perpendicular Sides
Grouping Shapes by Parallel and Perpendicular Sides
Which shapes go together based on parallel and perpendicular lines?
Gr 1, 2, 3, 4, 5, 8
Math Curiosity: Magic Triangles
Math Curiosity: Magic Triangles
Can you make each side of this triangle add up to 9 using the digits 1-6?
Gr 1, 2, 3, 4, 8
Geometry Image: Esplanade Theaters
Geometry Image: Esplanade Theaters
What odd and interesting shapes can your students find in this geometric image?
Gr 1, 2, 3, 4, 5, 8
Geometry Image: University Ave
Geometry Image: University Ave
What odd and interesting shapes can your students find in this geometric image?
Gr 1-5
Geometry Image: Victoria Conference Center
Geometry Image: Victoria Conference Center
What odd and interesting shapes can your students find in this geometric image?
Gr 1-5
Geometry Image: Skytree
Geometry Image: Skytree
What odd and interesting shapes can your students find in this geometric image?
Gr 1, 2, 3, 4, 5, 7, 8
Geometry Image: Steigerwald
Geometry Image: Steigerwald
What odd and interesting shapes can your students find in this geometric image?
Gr 1, 2, 3, 4, 5, 7
Math Curiosity: Klauber’s Triangle
Math Curiosity: Klauber’s Triangle
In 1932, a leading authority on rattlesnakes, Laurence Klauber, discovered a startling pattern within a triangle of primes.
Gr 1-5
What’s In My Brain: Trapezoids or Not?
What’s In My Brain: Trapezoids or Not?
Which are trapezoids and which are not?
Gr 1-8
The Angles of a Triangle
The Angles of a Triangle
Why tell a kid the rules of a triangle when they can discover them!?
Gr 1, 2, 3, 4, 5, 7, 8
Grouping Quadrilaterals In A Hierarchy
Grouping Quadrilaterals In A Hierarchy
Can we classify quadrilaterals like we classify living things?
Gr 1-5
Fractals: Sierpinski’s Triangle
Fractals: Sierpinski’s Triangle
What if this triangle pattern just kept repeating… forever!?
Fractals: Koch Snowflake
Fractals: Koch Snowflake
You could keep zooming in on this snowflake forever!