David Johns
21 Followers
Lynnwood, Washington, United States
About the store
Middle school computer and math teacher for 11 years. High school math and software development teacher for 25 years.
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All resources
Quadratic Functions Graphs Summarized
This PowerPoint document lets students click around and see how to graph quadratic equations in several different forms. I have had this document available to students to review as well as use it as a teaching tool. The slideshow will go over quadratic with and without a linear term, using factoring when you can, and the quadratic formula. At each algebra step, a connection to the graph is provided. 28 interactive slides in all. Enjoy!
7th - 12th
Algebra, Algebra 2, Graphing
Linear and Absolute Intersections Online Computer Project
This word document describes a project that could be completed in class or for homework. Students use an online graphing calculator to graph two lines and two absolute functions. On paper students will do the algebra to connect the idea of intersections and solutions. Great project for students to do in groups to help each other or individually.
9th - 12th
Algebra, Algebra 2, Geometry
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About the store
Experience
Middle school computer and math teacher for 11 years. High school math and software development teacher for 25 years.
Teaching style
I develop math lessons and activities that help connect the visual (geometric) to the numerical and algebraic expressions. I also enjoy creating assessments that emphasize the process as much as the answers.
My own education history
UCSD, Applied Mathematics
Seattle U, Masters in Education
Additional biographical information
My wife and I have been teachers for over 60 years combined. I draw from her experience as a kindergarten teacher to enhance the math lessons at the high school level. We have two daughters that make our lives busy and incredibly happy.
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