Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Basic Geometry
Find the basics of geometry here through this tutorial. The tutorial covers a range of concepts that are necessary for the foundation knowledge base to go onto high school geometry. Practice problems at the end of the tutorial help to...
The Math League
The Math League: Figures and Polygons
This site provides definitions of different types of polygons and figures.
Beacon Learning Center
Beacon Learning Center: Sam's Similar Shapes
Students learn about and practice identifying similar figures in this interactive web lesson.
Beacon Learning Center
Beacon Learning Center: Wrapping Paper Patterns
Students explore slides, flips, and turns in this interactive web lesson.
Mr. Martini's Classroom
Mr. Martini's Classroom: Basic Geometry: Points, Lines, and Angles
Students can review basic geometric terms using these self-check, multiple choice questions. Three levels of questions are provided.
abcteach
Abcteach: Geometry
[Free Registration/Login Required] This resource has an assortment of teacher-created geometry activities for elementary and primary learners. Printable two-dimensional shapes, area and perimeter worksheets, board games, rules and...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: La Ecuacion De Segundo Grado
In Spanish. In this interactive activity you can learn to recognize quadratic equations, solve quadratic equations with one unknown in graphical and numerical form, and solve practical problems.
Common Core Sheets
Common Core Sheets: Counting Mixed Objects
Teachers can assess students knowledge of counting shapes with these printable worksheets.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: La Circunferencia
In Spanish. In this interactive activity you will get a clear understanding of the definition the circumference of a circle and have fun while learning the relationship between equations and figures.
Jim Loy
Jimloy.com: Saccheri
This site explains the Saccheri quadrilateral and the importance of his work in geometry.
TED Talks
Ted: Ted Ed: Are You the Girl From "The Wonder Years"?
After a childhood spent acting a pretty iconic role, Danica McKellar learned that she was capable of being more than just Winnie Cooper. [3:30]
PBS
Pbs: Mathline: Let's Face It [Pdf]
Check out this math project about polyhedra! Students will enjoy the hands-on activity while they learn about tetrahedrons, hexahedrons, octahedrons, dodecahedrons, and icosahedrons. [Requires Adobe Reader.]
PBS
Pbs Mathline Lesson Plan: Mirror, Mirror [Pdf]
The goal of this PBS instructional activity is for young scholars to apply spatial reasoning, problem solving, and critical thinking skills to assess which regular polygons will tessellate. A detailed lesson plan that includes related...
PBS
Pbs: Mathline: Tessellations Wow! [Pdf]
An integrated geometry lesson on spatial sense in which students identify and use different shapes to create a tessellation. "Through a variety of modalities such as writing, music, art, poetry, and literature, students are introduced to...
PBS
Pbs Mathline Lesson Plan: Struts'n Stuff [Pdf]
Incorporating concepts in algebra, number sense, patterning, data collection, and geometry, this lesson engages students in various hands-on activities to explore the relationship between regular polygons and the number of diagonals...
PBS
Pbs Mathline Lesson Plan: Sidewalk Capers [Pdf]
The objective of this lesson is for students to, "explore spatial relationships by determining the area of various shapes and creating tessellation patterns." Using a variety of hands-on activities, students apply concepts of geometry,...
PBS
Nova Teachers: Hunting the Hidden Dimension: Classroom Activity
Students learn about the characteristics of fractals. The resource consists of a lesson plan, video, and interactive resource that explores fractals.
Trinity College Dublin
History of Mathematics: Bonaventura Cavalieri (1598 1647)
A biography of Cavalieri that includes information on his principle or "indivisibles." From a 1904 text by W. W. Rouse Ball.
SEDL
The Timss Mathematics Segment: Geometry
This site explores the area of congruent triangles and how it is a difficult area to understand.
PBS
Pbs: Black Kingdoms of the Nile
A geometry lesson that examines the history and structure of ancient pyramids and engages learners in constructing pyramid models. A comprehensive lesson that considers students with diverse learning styles. Math concepts introduced...
PBS
Pbs: Nova: Infinite Secrets
Offers a look into the mind of Archimedes based on findings within newly discovered manuscript.
Curated OER
Nova Scotia Dept. Of Education: Mathematics 8: Geometry Diagrams
A collection of diagrams that complement Mathematics 8, a Grade 8 Math text, have been posted here. The diagrams were created using The Geometer's Sketchpad,
Other
Link to Learning: Geometry and Spatial Sense
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Geometry and Spatial Sense expectations in the Ontario Math curriculum for Kindergarten to Grade 8.
Other
Link to Learning: Geometry and Spatial Sense
Link to Learning is a site popular among Ontario teachers. This collection of sites addresses Geometry and Spatial Sense expectations in the Ontario Math curriculum for Kindergarten to Grade 8.