DISQO is an open education community for teaching, collaborating and learning.
Our mission is to give everyone access to a first rate education. Anyone can benefit from the free online lessons, courses and curricula published here.

Geometry

Study geometry, learn geometry, geometry lessons, geometry lectures, geometry tutorials.
Course
0

Geometry

Teacher: disqo

The course is a video playlist of lessons from Salman Khan of the Khan Academy. It is an excellent set of tutorials to help young students directly, to help teachers visualise alternative...
Created: 20 December 2009, Subject: Geometry, Mathematics

Video
0

Introduction to Angles

Teacher: disqo

What an angle is. Angles in a circle. Complementary and supplementary angles.


Created: 23 November 2009, Subject: Geometry, Mathematics
Video
0

Angles II

Teacher: disqo

More on complementary and supplementary angles. Introduction to opposite angles.


Created: 23 November 2009, Subject: Geometry, Mathematics
Video
0

Angles III

Teacher: disqo

Angles formed when a transversal intersects parallel lines.  


Created: 23 November 2009, Subject: Geometry, Mathematics
Video
0

The Angle Game

Teacher: disqo

Using what we know to solve for angles in the Angle Game.  


Created: 23 November 2009, Subject: Geometry, Mathematics
Video
0

Similar Triangles

Teacher: disqo

Introduction to similar triangles  


Created: 23 November 2009, Subject: Geometry, Mathematics
Video
0

Similar Triangles II

Teacher: disqo

More on similar triangles.


Created: 23 November 2009, Subject: Geometry, Mathematics
Video
0

Angle Game II

Teacher: disqo

More examples of the Angle Game.  


Created: 23 November 2009, Subject: Geometry, Mathematics
Video
0

Area and Perimeter

Teacher: disqo

Area of rectangles and triangles. Perimeter of rectangles.


Created: 20 December 2009, Subject: Geometry, Mathematics
Video
0

Circles: Radius, Diameter and Circumference

Teacher: disqo

Understanding the relationship between the radius diameter and circumference of a circle.


Created: 20 December 2009, Subject: Geometry, Mathematics
Video
0

Area of a Circle

Teacher: disqo

Area of a circle and how it relates to radius and diameter.


Created: 20 December 2009, Subject: Geometry, Mathematics
Video
0

Introduction to the Pythagorean Theorem

Teacher: disqo

Right triangles and the Pythagorean Theorem.


Created: 20 December 2009, Subject: Geometry, Mathematics
Video
0

Pythagorean Theorem Part II

Teacher: disqo

More Pythagorean Theorem examples. Introduction to 45-45-90 triangles. 


Created: 20 December 2009, Subject: Geometry, Mathematics
Video
0

45-45-90 Triangles

Teacher: disqo

Introduction to 45-45-90 Triangles.


Created: 20 December 2009, Subject: Geometry, Mathematics
Video
0

Introduction to 30-60-90 Triangles

Teacher: disqo

A few more 45-45-90 examples and an introduction to 30-60-90 triangles.  


Created: 20 December 2009, Subject: Geometry, Mathematics
Video
0

30-60-90 Triangles Part II

Teacher: disqo

More examples using 30-60-90 triangles.


Created: 20 December 2009, Subject: Geometry, Mathematics
Syndicate content