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Drawing on the Coordinate Plane

Grade 6: Unit 7: Lesson 19

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Optional Activity: �This activity introduces students to using graphing technology to plot ordered pairs and create images.

Lesson Narrative

In this optional culminating lesson, students use graphing technology to plot ordered pairs and create images. Using graphing technology for this lesson is highly recommended over doing it with pencil and paper. In the first activity, students recreate a given image to help familiarize them with how the graphing technology works. The second activity, where students design their own image, could be lengthened or shortened as needed by instructing students to create an image with more or less detail. Using graphing technology gives students an opportunity to attend to precision (MP6) because the program graphs exactly what they enter and will not guess at what they might have meant if they input a point incorrectly.

Learning Goals

Teacher Facing:

Generate a list of ordered pairs to create an image in the coordinate plane, and explain (orally) the reasoning.

Student Facing:

Let’s draw on the coordinate plane.

Learning Targets

Student Facing:

I can use ordered pairs to draw a picture.

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Let’s draw on the coordinate plane.

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Cat Pictures

Activity 1

10 min. Quiet Work Time

Launch: Demonstrate how to use the technology available in the classroom to plot coordinate pairs. If using the applet or using Desmos in a web browser, consider using these instructions:

On a blank graph, add a new table by clicking on the “+” icon in the upper left and select “table” from the drop-down menu.
Enter pairs of x- and y-values in the table. Corresponding points should appear on the graph.
Click on the wheel icon on the upper right corner of left sidebar. The circle next to the y label in the table will turn into a solid circle.
Click on the circle next to y and turn on the “Lines” option in the drop-down menu. Consecutive points on the graph will now be connected by line segments.

Provide access to graphing technology. Give students 10–12 minutes of quiet work time followed by a whole-class discussion.

Access for Students with Disabilities: Engagement: Internalize Self Regulation. Provide a project checklist that chunks the various steps of the project into a set of manageable tasks. Consider providing students with a starting point and ordered pairs for select key details such as tips of the ears. Supports accessibility for: Organization; Attention

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Cat Pictures

If you get finished before everyone else, you can add more details to your image such as whiskers, the inside of the ears, a bow, or a body.

10 min. Quiet Work Time

Activity 19.1

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Cat Pictures

What CHALLENGES did you have?

What did you do to overcome these?

Activity 19.1 - Synthesis

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Are you READY for more?

Add these statements to the list of things being graphed:

x > 6 y > 5 x < -4 y < -6

Describe the result. �Why do you think that happened?

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Design Your Own Image

Activity 2

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What image will you create? � An animal? A vehicle? A building?

You MUST have at least 4 points in EACH quadrant. What ordered pairs will you need to create your image?

Activity 19.2

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What were you thinking about while you figured out the ordered pairs for your image?

Activity 19.2 - Synthesis

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Image Citations

https://pixabay.com/images/id-2342859/

https://unsplash.com/photos/1zR3WNSTnvY

https://pixabay.com/images/id-7255228/

https://pixabay.com/images/id-2405205/

Creative Commons BY-NC-SA

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