After the introduction, students measured a geometric object and drew it on their paper. Next, they were assigned a scale factor. Students redrew the object with the new dimensions, and then they were ready to model both the original and the scaled object in Sketchup. Students submitted their models to a shared folder in Google Drive. Last, each student downloaded a peer's drawing and determined the scale factor. Students were engaged in designing their models in Sketchup and learning the basics of using a scale factor to enlarge or shrink an object.
Students in 7th grade math are beginning bimester two with a unit about scale and proportion. In order to introduce students to scale and engage them in the concept, we began with a scene from Harry Potter and the Sorcerer's Stone. Throughout the filming of the Harry Potter movies, the producers used a scale model of Hogwarts to create amazing scenes like this. Movies are just one example of how scale is used every day.
After the introduction, students measured a geometric object and drew it on their paper. Next, they were assigned a scale factor. Students redrew the object with the new dimensions, and then they were ready to model both the original and the scaled object in Sketchup. Students submitted their models to a shared folder in Google Drive. Last, each student downloaded a peer's drawing and determined the scale factor. Students were engaged in designing their models in Sketchup and learning the basics of using a scale factor to enlarge or shrink an object.
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