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: 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 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.
Loyola University Chicago
Math Flix: Square Numbers From "Sea Squares"
This QuickTime movie provides an opportunity to identify square numbers with a literature connection to "Sea Squares" by Joy N. Hulme. Then the data is organized in a table and graphed. As you watch and listen to the teacher and student...
Khan Academy
Khan Academy: Geometry: Part 1 of Proof of Heron's Formula
Demonstrates how to derive a version of Heron's formula using the Pythagorean Theorem and the formula for the area of a triangle. Applies Heron's formula to solve a sample problem. [10:59]
Khan Academy
Khan Academy: Geometry: Proof: Opposite Sides of Parallelogram Congruent
Demonstrates how to prove that the opposite sides of a parallelogram are congruent based on knowledge of the special angles created when parallel lines are cut by a transversal and the triangle congruency postulates. [8:30]
Khan Academy
Khan Academy: Geometry: Part 2 of the Proof of Heron's Formula
Completes the proof of Heron's formula that was begun in the video, "Part 1 of Proof of Heron's Formula." [12:08]
Khan Academy
Khan Academy: Geometry: Angles Formed by Parallel Lines and Transversals
Identifies which angles are congruent when parallel lines are cut by a transversal. [7:07]
Khan Academy
Khan Academy: Geometry: Proof: Opposite Angles of Parallelogram Congruent
This video tutorial demonstrates how to prove that the opposite angles of a parallelogram are congruent based on knowledge of the special angles created when parallel lines are cut by a transversal. [4:08]
Khan Academy
Khan Academy: Geometry: Euler's Line Proof
Proves that the circumcenter, orthocenter, and centroid all lie on the same line, the Euler line. Proof relies on understanding of properties of similar triangles and properties of special parts of a triangle. [9:50]
Khan Academy
Khan Academy: Geometry: Proof: Diagonals of Parallelogram Bisect Each Other
Demonstrates how to prove that the diagonals of a parallelogram bisect each other based on knowledge of the special angles created when parallel lines are cut by a transversal and the triangle congruency postulates. [9:06]
Math Mammoth
Math Mammoth: Pythagorean Theorem and Geometry 1: Area of an Isosceles Triangle
This video demonstrates how to find the area of an isosceles triangle by first determining the altitude using the Pythagorean Theorem. [3:53]
Khan Academy
Khan Academy: Geometry: Perimeter of a Polygon
Shows how to find the perimeter of a parallelogram. [1:20]
Khan Academy
Khan Academy: Geometry: Lines, Line Segments, and Rays
Compares qualities of line segments, lines, and rays. Practice problems available. [3:38]
Khan Academy
Khan Academy: Geometry: Volume of a Sphere
Explains how to calculate the volume of a sphere. [2:35]
Khan Academy
Khan Academy: Geometry: Solid Geometry Volume
Describes how to find the volume of triangular prisms and cubes by finding the area of the base and multiplying it by the height (or depth). Practice problems available. [3:56]
PBS
Pbs: Measurement and Geometry: Finding Area
Area is the measure of the surface inside a flat figure and is measured in square units.
Khan Academy
Khan Academy: Geometry: Identifying Complementary and Supplementary Angles
Shows how to identify complementary and supplementary angles in a diagram. [2:36]
Khan Academy
Khan Academy: Geometry: Acute, Obtuse, and Right Angles
Demonstrates how to find all acute, obtuse, and right angles in a given diagram. [6:35]
Khan Academy
Khan Academy: Geometry: Finding Missing Angles
Shows how to find the measure of missing angles based on the measure of a straight angle. [1:41]
Khan Academy
Khan Academy: Geometry: Introduction to Angles (Old)
Defines an angle, complementary angles, supplementary angles, and relates reflex angle measures to degress in a circle. [9:55]
Khan Academy
Khan Academy: Geometry: Complementary and Supplementary Angles
Defines and gives examples of complementary angles, supplementary angles, and adjacent angles. Practice problems available. [8:31]
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