Virtual Nerd
Virtual Nerd: What Is a Line Segment?
Take a look at this tutorial to learn about line segments, how to name them, and what the midpoint of a line segment is. [3:13]
Virtual Nerd
Virtual Nerd: What Is an Angle?
Take a look at this tutorial to learn about how an angle is formed, how to name an angle, and how an angle is measured. [4:45]
Virtual Nerd
Virtual Nerd: What Is the Law of Cosines?
The Law of Cosines helps solve some triangle problems. This video explains several versions of the law of cosines and what they are used for. [9:22]
Virtual Nerd
Virtual Nerd: What Is the Formula for the Area of a Triangle Using Sines?
Learn how to use sines to find the area of a triangle. [5:33]
Khan Academy
Khan Academy: Drawing a Trapezoid on the Coordinate Plane Example
Demonstrates how to follow written directions for drawing a trapezoid on a coordinate plane. [2:41]
Khan Academy
Khan Academy: Proof: All Circles Are Similar
Demonstrates how to use a unit circle on a coordinate grid to prove that all circles are similar. [1:34]
Khan Academy
Khan Academy: Algebra: Pythagorean Theorem 3
The video tutorial lesson [3:00] demonstrates the solving the width of a rectangular carpet by using the Pythagorean theorem, given the length and the diagonal of the rectangle.
Khan Academy
Khan Academy: Algebra: Conic Sections: Tangent Line Hyperbola Relationship
A video lesson showing the algebraic relationship between the equation of an arbitrary hyperbola and its arbitrary tangent line. [10:04]
Khan Academy
Khan Academy: Coordinate Plane Word Problems: Examples
Presents example problems about the location of and the distance between coordinates on a grid. [4:47]
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.
Khan Academy
Khan Academy: Algebra: Conic Sections: Hyperbolas 2
The video tutorial [7:29] discusses conic sections. Students learn about hyperbolas. The resource consists of examples with detailed explanations.
Sophia Learning
Sophia: Calculating the Area of a Rectangle
In this video tutorial, the instructor demonstrates how to determine how to calculate the area of a rectangle and assess knowledge with a quiz. [3:01]
Sophia Learning
Sophia: Calculating the Volume of a Sphere
In this video, explore the formula used to calculate the volume of a sphere. Check understanding with the assessment. [4:08]
Sophia Learning
Sophia: Ordered Pairs
Explore how to plot points on a coordinate system using ordered pairs. Assessment to follow. [2:26]
Sophia Learning
Sophia: Practice With Rotations
Explore how to rotate a geometric object across a coordinate plane with this video lesson. [10:37] Assess learning with a quiz.
Khan Academy
Khan Academy: Measuring Angles Using a Protractor 2
Sal measures several angles with a protractor.
Other
Harvest ***Singing History Teachers:
Educational music parodies by teachers and students. Covers history, economics, current events, science, art, music, grammar, literature, math, numbers, geometry etc.
PBS
Pbs Learning Media: Hexagons
In this video segment [1:55] from Cyberchase, the CyberSquad tessellates hexagons to finish crossing the lava river.
Khan Academy
Khan Academy: Measuring Area With Partial Unit Squares
Models how to find the area of a shape on a grid that has different angle sizes by counting both square and partial units. [3:16]
Khan Academy
Khan Academy: Reflecting Points in the Coordinate Plane
Demonstrates how to reflect points across the x- or y- axis in a coordinate grid. [3:35]
Khan Academy
Khan Academy: Area of Kites
Video lesson explores how to find the area of a kite which is a quadrilateral with two distinct pairs of equal adjacent sides. [3:48]
Khan Academy
Khan Academy: Area of Trapezoids
Video tutorial demonstrates how to find the area of a trapezoid using the formula A=(a+b)/2 x h. [4:47]
Khan Academy
Khan Academy: Volume of Triangular Prism and Cube
Demonstrates how to calculate the volumes of a triangular prism and a cube. [3:56]
Khan Academy
Khan Academy: Area of a Circle
Models how to calculate the area of a circle when the diameter is known. [4:02]
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