National Education Association
Use Coordinate Geometry to Represent and/or Solve Problems
A geometry video explains how to solve for midpoint, length of a line, and use the Pythagorean Theorem. It includes multiple guided practice problems for all three equations.
Anywhere Math
Polygons in the Coordinate Plane
You'll be ready to plot something after a lesson on coordinate geometry! The video instructor begins by discussing how to plot four points to create a quadrilateral. The second example demonstrates finding the area and perimeter from the...
Corbett Maths
Coordinates and Shapes
Where is the point? Given three points on the coordinate plane, the video walks through the steps to find the location of the fourth point to create a given special quadrilateral. The narrator first determines the coordinates of the...
Curated OER
Rectangular Coordinate System
Everything you need to understand the rectangular coordinate system is explained in this easy to follow video. Great for elementary to middle schoolers learning about plotting points, graphing, and locating points on a coordinate grid....
CK-12 Foundation
Dilation in the Coordinate Plane: Lesson
Multiply coordinates to either shrink or enlarge a figure. An informative segment of a geometry playlist introduces dilation on the coordinate plane. The dilations in the resource use the origin as the center of dilation, which makes...
CK-12 Foundation
Perpendicular Lines in the Coordinate Planes: Lesson
Get the slope right with two easy steps. By placing two perpendicular lines on the coordinate plane, the video determines the relationship of the slopes of the two line lines. The resource is a part of an informative and extensive...
FuseSchool
Finding the Midpoint of 2 Coordinates
Demonstrate how to find the midpoint between two ordered pairs. A detailed video lesson connects finding the midpoint to finding the average of the coordinates of the ordered pairs. Using a graph helps to visually reinforce the concept.
CK-12 Foundation
Parallel Lines in the Coordinate Plane: Lesson
Discover the parallel structure of parallel lines. Provided with two parallel lines on a coordinate plane, the presenter shows that the rise and run, or slope, of the two lines are the same. The resource, which is a portion of a larger...
Krista King Math
Area of a Triangle
Triangles are not all created the same. The instructor shows how to find the area of different types of triangles using the formula. She also includes an example requiring coordinate geometry.
Curated OER
What is the Y-Coordinate?
How are ordered pairs, coordinate points, and graphing related to each other. What is the importance of the y-coordinate? Does it matter what order you write an ordered pair in? Yes! The y-coordinate is always written second. Always! And...
TED-Ed
Pixar: The Math Behind the Movies
When will we ever use this? A Pixar movie maker explains to students how math is used in the creation of animated films. The movie maker discusses the importance of coordinate planes, transformations and translations, and...
Corbett Maths
3D Coordinates
Three-dimensional space requires three coordinates. Makes sense, right? Scholars learn about coordinates in three-dimensional space. They watch a video that explains the three-dimensional coordinate system and highlights an exam problem...
Corbett Maths
Coordinates
Over and up, it's really that easy. A short video describes how to locate points and how to identify the coordinates of points on a two-dimensional coordinate plane. A worksheet provides some additional problems to help scholars master...
Krista King Math
Area of Trapezoids
Rectangles, parallelograms, and now trapezoids — so many quadrilaterals! Building on the previous lessons in the series, the video introduces the formula for the area of a trapezoid. The instructor shows images of trapezoids and...
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...
CK-12 Foundation
Classifying Quadrilaterals in the Coordinate Plane: Lesson
Coordinate the classification of quadrilaterals. Given the definitions of special quadrilaterals, a portion of a geometry playlist highlights ways to classify a quadrilateral. The video takes information from figures on a coordinate...
CK-12 Foundation
Slope in the Coordinate Plane: Lesson
Rise and run to find slope. Given a graph of a line, the presentation shows how to find the slope by determining the rise and the run. The resource, part of an extensive geometry playlist, reveals the four basic slopes of lines.
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...
Khan Academy
Parallel Lines From Equation, Mathematics I, High School Math
Here is a fairly basic video that uses three equations, each written in slope-intercept form, to determine whether the lines are parallel. Sal graphs each equation on the same coordinate plane to show how their slopes compare. The video...
Curated OER
How Do You Use Coordinates to Reflect a Figure Over the X-Axis?
Perform a reflection of a figure over the x-axis. This seems pretty straightforward. But also learn how to use the coordinates to reflect a figure.
Curated OER
How Do You Use Coordinates to Reflect a Figure Over the Y-Axis?
Perform a reflection of a figure over the y-axis. This seems pretty straightforward. But also learn how to use the coordinates to reflect a figure.
Curated OER
How Do You Use Coordinates to Translate a Figure Horizontally?
There are many ways to transform a figure on a coordinate plane. This problem requires the movement to be four units horizontally to the right. Using the original coordinate pairs, a positive 4 can be added to each x-value to get the new...
Curated OER
How Do You Use Coordinates to Translate a Figure Vertically?
Transform the figure six units vertically down. Use the given coordinate points to translate by subtracting 6 from each of the given y-values. Then plot the new coordinates points and connect the dots.
Khan Academy
SAT Prep: Test 5 Section 7 Part 5
Geometry problems on the SAT are often the most difficult for students to solve, let alone master. Focusing on several geometry-related skills (as well a few algebra problems), Sal makes this lesson a valuable resource for viewers who...