This question examines the algebraic equations for three different spheres. The intersections …

This question examines the algebraic equations for three different spheres. The intersections of each pair of spheres are then studied, both using the equations and thinking about the geometry of the spheres. For two spheres where one is not contained inside of the other there are three possibilities for how they intersect.

Reflective of the modernness of the technology involved, this is a challenging …

Reflective of the modernness of the technology involved, this is a challenging geometric modelling task in which students discover from scratch the geometric principles underlying the software used by GPS systems.

This task is inspired by the derivation of the volume formula for …

This task is inspired by the derivation of the volume formula for the sphere. If a sphere of radius 1 is enclosed in a cylinder of radius 1 and height 2, then the volume not occupied by the sphere is equal to the volume of a Ňdouble-naped coneÓ with vertex at the center of the sphere and bases equal to the bases of the cylinder.

This lesson is for a math classroom, but can be adapted to …

This lesson is for a math classroom, but can be adapted to fit any grade, subject, or content. In this lesson, students will use an iPad and its features: Keynote, Pages, Garageband, Numbers, Presentation, and iMovie. Students will use 3 of those features/programs to create a video lesson consisting of several examples from a topic of their choice. This project is in place of a term final, so their chosen topic should be from their current term.Image citation: The image is one I created.

Thumbnail photo: "File:Nuvola Math and Inf.svg" by Vojtěch Pikal is marked with CC0 1.0 This is a lesson …

Thumbnail photo: "File:Nuvola Math and Inf.svg" by Vojtěch Pikal is marked with CC0 1.0 This is a lesson plan that can be used in any class and for any subject. The idea is to have the students review the content learned over the term, pick one of the concepts, and create a mini video lesson on the chosen concept. This is a project in place of a term final, but can be used at any time!I have tagged only a few math standards because this lesson applies to all content and all standards.

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