Graphing Ordered Pairs in the coordinate Plane
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Lesson Summary:
In this lesson, the concept of graphing ordered pairs or plotting points in the coordinate plane is reviewed. Students learn to label the units on the x and y axes, which represent left to right and up and down positions, respectively. Starting at the origin, students are taught to move left or right, which determines a negative or positive value on the x-axis, and then move up or down, which determines a negative or positive value on the y-axis. Through the plotting of various ordered pairs, students are able to better understand the concept of graphing in the coordinate plane.
Lesson Description:
Graphing ordered pairs -- or plotting points -- in the coordinate plane.
Courtesy of Mr. Hansen of www.mrhansen.net.
Additional Resources:
- Introduction to Coordinate Geometry - A web page with a graph and explanation of what coordinates and coordinate geometry are.
- Coordinates of a Point - An interactive tutorial on coordinates in the plane.
- Cartesian Coordinates - An explanation of Cartesian Coordinates.
Questions answered by this video:
- How do you graph ordered pairs in the coordinate plane?
- How do you plot points on the x-axis and y-axis?
- How do you know what values are positive and what values are negative on the coordinate plane?
- How do you know that the x-axis goes left and right and the y-axis goes up and down?
- What is the origin and where is it on a coordinate plane?
- How do you plot the point (2,4) on a graph?
- How do you plot the point (-3,-5) on a graph?
- How do you plot the point (4,-1) on a graph?
- How do you plot the point (3,0) on a graph?
- How do you plot the point (0,-8) on a graph?
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Staff Review
This lesson explains graphing in the coordinate plane. It goes over the x-axis, y-axis, and each part of a coordinate pair and how you determine where a point goes on the plane. This is a very basic plotting points video. Several ordered pairs are plotted and explained.
