Khan Academy
Khan Academy: Geometry: Congruent Triangle Example 2
Demonstrates how to use triangle congruency to prove that corresponding sides of congruent triangles are congruent and then identifies other congruent parts in the overlapping triangle diagram. The proof is written in the form of a...
Khan Academy
Khan Academy: Geometry: Medians Divide Into Smaller Triangles of Equal Area
This video tutorial [7:46] demonstrates that the three medians of a triangle divide it into six smaller triangles with equal areas.
Khan Academy
Khan Academy: Right Triangle Geometry Basic Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a basic right triangle trigonometry problem.
Khan Academy
Khan Academy: Right Triangle Geometry Harder Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a harder right triangle trigonometry problem.
Khan Academy
Khan Academy: Terms & Labels in Geometry
Learn about geometry terms like point, line, and ray. We will also learn how to label them.
CK-12 Foundation
Ck 12: Elem Math: Overview of Reflective Symmetry
[Free Registration/Login may be required to access all resource tools.] Students watch a video tutorial on line or reflective symmetry.
Math Planet
Math Planet: Geometry: Triangles
Discussion of triangles through the use of examples and a video lesson. [1:08]
Loyola University Chicago
Math Flix: Similar Figures: Proof Using Proportions
This QuickTime movie provides an opportunity to develop the basic geometric term, similar, by checking to see if figures are proportionaly similar. As you watch and listen to the teacher and student interact it helps clarify the thinking...
Loyola University Chicago
Math Flix: Complementary and Supplementary Angle Definitions
This video provides an opportunity to learn about complementary and supplementary angles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept. [3:41]
Loyola University Chicago
Math Flix: Tranformations Coordinate Plane 2 Flip, Slide
This QuickTime movie provides an opportunity to look at what graphing a transformation looks line on the coordinate plane. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this...
PBS
Pbs: Measurement and Geometry: Equivalencies and Benchmarks
Knowing some basic equivalencies will help you to change a measurement from one unit to another. Benchmarks can be used to estimate a unit of measure.
CK-12 Foundation
Ck 12: Elem Math: Overview Sum of the Angles of a Triangle
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on funding the sum of angles in a triangle.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on area.
CK-12 Foundation
Ck 12: Elem Math: Overview of Basic 3 D Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of three dimensional figures.
CK-12 Foundation
Ck 12: Elem Math: Overview of Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on various two dimensional shapes including rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Elem Math: Classifying Triangles Based on Equal Sides
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to classify triangles based on side length.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the area and perimeter of squares and rectangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter of Rectangle
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area and perimeter of a rectangle.
CK-12 Foundation
Ck 12: Elem Math: Overview of Area and Perimeter of Squares
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find the area and perimeter of squares.
CK-12 Foundation
Ck 12: Elem Math: Overview of Lines Curves Vertices and Sides of 2 D Shapes
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on lines, curves and vertices of two dimensional shapes.
CK-12 Foundation
Ck 12: Elem Math: Overview of Rectangles Squares Circles and Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of rectangles, squares, circles and triangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Special Triangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on how to find missing angles in triangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Squares and Rectangles
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of squares and rectangles.
CK-12 Foundation
Ck 12: Elem Math: Overview of Tessellations
[Free Registration/Login may be required to access all resource tools.] Students can watch a video overview on tessellations.
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