Khan Academy
Distance Formula, Analytic Geometry, Geometry
Explaining the distance formula as "an application of the Pythagorean Theorem" might relieve some of your young mathematicians who are scratching their heads at all the new concepts. Sal demonstrates how to take the distance between any...
Corbett Maths
Shortest Distance between Line and Point
A short video shows how to find the shortest distance between a line and a point on the coordinate plane. Using the fact the shortest distance is the perpendicular, the presenter shows the class how to find the intersection of the two...
CK-12 Foundation
Applications of the Pythagorean Theorem: Lesson
The Pythagorean Theorem works for something other than right triangles; show your class all it can do. Using information from the Pythagorean Theorem, the video shows how to determine whether a triangle is an acute or obtuse triangle....
CK-12 Foundation
Distance Between Parallel Lines: Lesson
Rely on slope when counting won't do. Using horizontal and vertical parallel lines, the presentation shows scholars how to find the distance by counting. The video uses the relationship of the slopes of perpendicular lines to find two...
CK-12 Foundation
Finding the Distance Between Two Points: Lesson
Point out an application of Pythagoras. The segment of an essential playlist on geometry provides a quick review of the Pythagorean Theorem. Using a right triangle to show the positions of two points, the presenter calculates the...
Socratica
Introduction to the Pythagorean Theorem
Use a new medium to investigate an old mathematical theorem. Young mathematicians learn about the Pythagorean Theorem from a YouTube video in the Socratica Geometry playlist. They first see if a set of values is a Pythagorean triple and...
National Science Foundation
Science of NFL Football: Pythagorean Theorem
Physics can make football players better. A creative video shows learners how to apply the Pythagorean Theorem to defensive situations. The first of a 10-part video series calculates the distance a defender needs to cover using right...
Krista King Math
Pythagorean Inequalities
Right, acute, or obtuse: how do you know? Learners observe how to use the Pythagorean Theorem to determine the type of triangle from a set of side lengths. The video includes an example of each triangle type.
PBS
Working With Coordinate Planes: Student Video
Provide your mathematicians an introduction to coordinate planes with a captivating video featuring Virtual Math Girl. Viewers get a step-by-step description of how to use a single, positive number quadrant to plot ordered...
PBS
Working With Coordinate Planes: Instructor Video
Watch a video intended for teachers to gain pointers, tips, and tricks to teach learners how to graph ordered pairs on a coordinate plane, and to calculate distances with the distance formula. Additionally, obtain recommendations...
Corbett Maths
Distance Between Two Coordinates
Go the distance in learning about the coordinate system. Scholars watch a video that first explains how the distance formula is simply an application of the Pythagorean Theorem. They see how to determine the distance between two points...
Virtual Nerd
Virtual Nerd: How Do You Determine if a Triangle Is a Right Triangle
In this video lesson a students learns how to determine if a triangle is a right triangle by using the Pythagorean Theorem.
Khan Academy
Khan Academy: Geometry: Incenter and Incircles of a Triangle
Explains that the intersection of the three angle bisectors of a triangle form the incenter of the triangle. [7:58]
Khan Academy
Khan Academy: Algebra: Midpoint Formula
This video demonstrates how to find the coordinate of the midpoint between two points on a coordinate plane by taking the mean of the x values and the mean of the y values. Practice problems available. This video is also found in the...
Khan Academy
Khan Academy: Pythagorean Theorem Proof Using Similarity
This video tutorial lesson [9:52] provides a proof for the Pythagorean Theorem by breaking a right triangle into two similar triangles and setting up ratios of corresponding sides.
Khan Academy
Khan Academy: Algebra: Distance Formula
This video demonstrates how to find the distance between any two points on a the coordinate plane. It shows how the distance formula was derived using the Pythagorean theorem. Practice problems avaialble. This video is also found in the...
Khan Academy
Khan Academy: Geometry: Introduction to the Pythagorean Theorem
This video tutorial [8:35] identifies the parts of a right triangle and demonstrates how to use the Pythagorean Theorem to determine an unknown side length of a right triangle.
Khan Academy
Khan Academy: Algebra: Pythagorean Theorem 2
This video tutorial lesson [4:17] involves solving for the length of one of the legs of a right triangle using the Pythagorean theorem.
Khan Academy
Khan Academy: Algebra: Pythagorean Theorem 1
This video tutorial lesson [4:32] uses the Pythagorean theorem to find the hypotenuse of a right triangle in an application problem.
Loyola University Chicago
Math Flix: Pythagorean Theorem Defined
This video [4:06] provides an excellent definition of the Pythagorean Theorem. Watching and listening to the teacher and student interact help to clarify the thinking behind this concept.
Planet Nutshell
Planet Nutshell: Math Shorts: Pythagorean Theorem
Planet Nutshell Math Shorts provide animated videos that explain various math topics. On this site students learn about the pythagorean theorem.
Virtual Nerd
Virtual Nerd: How Do You Find the Distance Between Two Points?
Instructional video shows how to use the distance formula to find the distance between two points. [2:29]
Virtual Nerd
Virtual Nerd: What Is the Distance Formula?
Watch this tutorial to learn how to find the distance between points on the coordinate by using the distance formula to get your answer. [3:01]
Virtual Nerd
Virtual Nerd: What Is the Pythagorean Theorem?
Video provides an introduction to the Pythagorean theorem and shows how it is used to solve for a missing length on a right triangle. [3:54]