Geometry & Trigonometry 381 listings
GeoGebra: Exploring Nets of Geometric Solids
GeoGebra

Explore the nets of the geometric solids prism, cube and pyramid and rebuild them using geometric figures.

GeoGebra: Quadrilaterals
GeoGebra

Properties of Special Quadrilaterals

GeoGebra: The Volume of a Cylinder IM 8.5.13
GeoGebra

“The Volume of a Cylinder” from IM Grade 8 by Open Up Resources and Illustrative Mathematics.

Inside Mathematics: 4th Grade Math – Classifying Triangles
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

In the lesson, Lewis re-engages fourth-grade students after an initial experience the week prior, which was focused on classifying and categorizing triangles.

Inside Mathematics: 7th Grade Math - Area and Perimeter
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

The purpose of this re-engagement lesson was to address student misconceptions and deepen student understanding of area and perimeter.

Inside Mathematics: 8th Grade Math - Pythagorean Theorem
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

This lesson was part of a unit on linear relationships and systems of equations

Inside Mathematics: 9th Grade Math - Modeling through Geometry: Circumference of a Cup’s Roll
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

The lesson documented in this set of videos is from Molly’s Enriched Geometry 9th-grade class.

Inside Mathematics: 9th & 10th Grade Math - Properties of Quadrilaterals
Inside Mathematics (The University of Texas at Austin, Charles A. Dana Center)

This lesson is about properties of quadrilaterals and learning to investigate, formulate, conjecture, justify, and ultimately prove mathematical theorems.

California Academy of Sciences: Science @ Home - Fraction Penguin
California Academy of Sciences

Not a fraction expert? It’s ok, neither are penguins. But you can practice with this fun craft activity. 

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