Khan Academy
Khan Academy: Triangles: Fill in the Blank Triangle Proofs Example 1
In this video, we listen to how a geometry exercise is completed as the presenter demonstrates the reasoning behind proving that the corresponding parts of triangles are congruent. [9:42]
Khan Academy
Khan Academy: Linear Algebra: Vector Triangle Inequality
Video first reviews the Cauchy-Schwarz Inequality the shows a proof of the Vector Triangle Inequality and relates it to the Triangle Inequality from 2-dimensional Geometry. [18:53]
Math Mammoth
Math Mammoth: Pythagorean Theorem and Geometry 2: Diagonal of a Square
This video demonstrates how to calculate the length of a square's diagonal using the Pythagorean Theorem. [1:29]
Math Mammoth
Math Mammoth: Pythagorean Theorem and Geometry 3: Volume of a Triangular Prism
This video demonstrates how to find the volume of a triangular prism by first determining the altitude of the isosceles triangle base using the Pythagorean Theorem, and then inserting it into the volume formula. [2:46]
Sophia Learning
Sophia: Geometry: Measurement of Angles in Radians: Lesson 3
During this lesson, you'll find out how radians are related to angles, how to note radians, and what certain radians stand for. It is 3 of 5 in the series titled "Measurement of Angles in Radians." [2:10]
Sophia Learning
Sophia: Geometry: Measurement of Angles in Radians: Lesson 4
During this lesson, you'll find out how radians are related to angles, how to note radians, and what certain radians stand for. It is 4 of 5 in the series titled "Measurement of Angles in Radians." [3:19]
Sophia Learning
Sophia: Geometry: Measurement of Angles in Radians: Lesson 1
During this lesson, you'll find out how radians are related to angles, how to note radians, and what certain radians stand for. It is 1 of 5 in the series titled "Measurement of Angles in Radians." [3:05]
Loyola University Chicago
Math Flix: Volume of a Cone
This QuickTime movie explains how to find volume of a cone using the formula. An example is given. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
PBS
Pbs: Odd Squad: General Pentagon's Alibi
Learn about shapes in this fun clip from the Odd Squad. General Pentagon tries to convince Otto that he didn't steal Lord Rectangle's birthday cake.
Loyola University Chicago
Math Flix: Congruency
This QuickTime movie provides an opportunity to learn about the basic geometric term congruency. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Math TV
Math tv.com: Trigonometry: Right Triangle Trigonometry
Students review right triangle trigonometry. The resource consists of a worksheet with practice problems and solutions. In the left hand menu, click Trigonometry, Right Triangle Trigonometry.
Loyola University Chicago
Math Flix: Concept Development Rectangles
This QuickTime movie provides an opportunity to learn about the characteristics of a rectangle. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Polyhedra Basics Using Nets
This QuickTime movie provides an opportunity to learn about the basics of Polyhedra using Nets. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Polygons
This video [4:39] provides an opportunity to learn about the characteristics of polygons. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Circle Vocabulary
This QuickTime movie provides an opportunity to learn about the vocabulary of a circle. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Illustrating Circle Vocabulary on the Computer
This video explains how to use drawing tools on a computer to draw circles and their parts. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept. [5:59]
Loyola University Chicago
Math Flix: Square Number Table
This QuickTime movie provides an opportunity to identify patterns in square numbers and list them in a table. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Activity Using "Sea Squares"
This QuickTime movie provides an opportunity to identify square numbers with a literature connection to "Sea Squares" by Joy N. Hulme using a Countdown Activity sheet. Then the data is organized in a table and graphed. As you watch and...
Loyola University Chicago
Math Flix: Isosceles Right Triangle
This QuickTime movie provides an opportunity to learn about the characteristics of the isosceles right triangles. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Polyhedra Nets 2
This QuickTime movie provides an opportunity to identify more Polyhedra using Nets. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Polyhedra Nets 1
This QuickTime movie provides an opportunity to identify Polyhedra using Nets. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Polyhedra Formula for Vertices
This QuickTime movie provides an opportunity to discover the formula for finding the number of vertices on a polyhedron. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Polyhedra Formula for Edges
This QuickTime movie provides an opportunity to discover the formula for finding the number of edges on a polyhedron. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Similar Figures: Cross Multiplication
This QuickTime movie provides an opportunity to develop the basic geometric term, similar, by using cross multiplication to see if figures are similar. As you watch and listen to the teacher and student interact it helps clarify the...
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