Unit Plan
Virginia Department of Education

Classifying Angles

For Teachers 4th - 8th Standards
Don't be obtuse, this geometry unit is the just the right resource for educating the acute young minds in your class. From classifying and measuring angles, to determining the congruence of shapes, this...
Unit Plan
New York City Department of Education

Egypt

For Teachers 6th - 8th Standards
This six-week unit encompasses all subjects with a focus study on world history and the development of ancient civilizations. As gifted and talented students dive into the interesting yet challenging topic of Egypt, they...
Unit Plan
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Curated OER

Volcanoes: Fourth Grade Lesson Plans and Activities

For Teachers 4th Standards
Young geologists begin exploring volcanoes of different structures and states: active, extinct, or dormant. During the lab, they make three models and compare different types of volcanoes, including composite, cinder cone, and...
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Polygon Classification in the Coordinate Plane

For Students 6th Standards
[Free Registration/Login may be required to access all resource tools.] Graph geometric figures given the ordered pairs of vertices.
Unit Plan
PBS

Pbs: Geometry and Classification of 2 D Figures: Bianca Busts a Move

For Students 3rd - 5th
In this video from Cyberchase, Bianca breaks her friend's tabletop when she's practicing dance moves in his living room. She uses measurement and geometry to get a new piece of wood that will fit the table exactly. The accompanying...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Counting Right Angles in a Diagram

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Practice counting the number of right angles in a diagram in this learning module. Includes video demonstration of a sample problem [2:11] and practice questions.
Unit Plan
Free Math Help

Free Math Help: Classification of Polygons and Triangles

For Students 9th - 10th Standards
The Geometry session explores the classification of polygons and triangles. Definitions and examples are included.
Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Polyhedra Classification

For Students 9th - 10th Standards
This question and answer site provides a lot of basic information about polyhedra. The five regular polyhedra, "The Platonic Solids," are described.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Applications of the Pythagorean Theorem

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] Apply the Pythagorean Theorem to other math concepts.

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