Graphing Calculator Desmos: It’s Not Your Parents’ · Don’t use Desmos.com. Student-Created...
Transcript of Graphing Calculator Desmos: It’s Not Your Parents’ · Don’t use Desmos.com. Student-Created...
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Desmos: It’s Not Your Parents’ Graphing Calculator
Connie Strombergerhttps://goo.gl/YK8Nxq
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3 goals for today-Use Desmos to create graphs (art)
-Explore various activities created by Desmos
-Learn to set up your own Desmos activity
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Why Use Desmos to
Create Graphs?
● Allows for discovery of new concepts
● Differentiation/self-paced
● Exploration of advanced concepts
● Art integration
● Students enjoy it
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One possibility:
y = 4x + 2 {y<0}
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● restrictions are listed as the domain and/or range in braces
● click the circle to make the line appear and disappear
● click and hold the circle to see color and line options
● standard keyboard or on-screen keyboard
● click and hold on a line to see the coordinates
● try zooming in and out
Features
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● < = will convert itself
● Arrow out of fractions
● Entering points (x, y)
● Error triangle gives tips
● Scale can be changed in
tool icon (check at the
start)
Features
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Adaptations● Initials only
● Rounded letters must have corners cut
● Shade the holes of letters
● Rounded letters must use curves (circles, parabolas, etc)
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Considerations● Students with color deficiency
● Students who may need a mouse
● It’s easy for them to copy and paste a project.
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Link to instructions and rubric
**Make a copy of the document if you want to edit it for your own use.**
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Student work
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The possibilities
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Troubleshooting Students’ Common Mistakes
● Can’t see the art?
○ Check the scale○ Zoomed in too much?
■ Home button is a quick fix (only appears in upper right corner when it’s zoomed)
● {sm # < X < big #}
● Settings→ reset
● Log in Using Google
● Don’t use Desmos.com
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Student-Created Cheat Sheet
●
● To make a line like use y=mx + b○ Change m to move a line up or down
○ To make a line like make m negative
○ Make m a fraction less than one to make a less steep line
● To make a use x = #
● To make a use y = #
● To restrict on left and right, use {# < x < #}
● To restrict above and below, use {#< y< #}
● To make curved lines, google equations of circle, parabola, sine, ellipse
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WhyUse Desmos-Prepared
Activities?
● Allows for discovery of new concepts
● Differentiation/self-paced
● Minimal prep for the teacher
● Graphing and non-graphing
● Students enjoy it
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www.teacher.desmos.comSearch for Marbleslides: Parabolas
Note the teacher info.
“What we had in mind” and “Goals” usually let me know whether it’s worth exploring further.
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Let’s Play!www.student.desmos.comMarbleslides: Parabolas SDGX3Waterline 45QMGPicture Perfect R3RRSCentral Park 39PTPPolygraph: Lines ZTARX (need partner)
http://www.student.desmos.com
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Let’s Create!www.teacher.desmos.comCreate an account.
Click “custom” on the left.Click “new activity” in the upper right.Follow on-screen directions.
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How to Use Desmos in Your Classroom: Tips
and Encouragement
● Have students log in using Google. Name will appear in upper right corner. This saves it constantly just like a google doc.
● Students can access Desmos at home.
● Project your computer to show students’ work to each other.
● Don’t be afraid to learn it along with your students.
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Now what?● Teacher.desmos.com to
set up your account● Explore more activities● Create Desmos art● Has anyone found
something they want to share?
● Questions?