Exploring Slope in Google Earth and Autograph

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MrBartonMaths

Subject Math — Expressions and Equations

Grade Level Grades 6-8

Standards Alignment

Common Core State Standards

License

About This Lesson

Tired of my annoying voice on these videos every week?... well, I’m pleased to say that this time I am handing over to my special guest, Douglas Butler, the creator of Autograph. Here Douglas shows you an interesting and engaging way of using Google Earth and Autograph to investigate slopes in real life. We start with a runway and end up taking a bike ride around Bolton. Lovely stuff, Mr Butler. I must get some music in my videos… Aligned to: 8.EE.B.5 , 8.EE.B.6

Resources

External resources

http://www.mrbartonmaths.com/autographvideos.htm

Website

Videos

Exploring Gradient in Google Earth and Autograph

Standards

CCSS.Math.Content.8.EE.B.5

Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways.

CCSS.Math.Content.8.EE.B.6

Use similar triangles to explain why the slope ? is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation ? = ?? for a line through the origin and the equation ? = ?? + ? for a line intercepting the vertical axis at ?.