Pi Filling, Archimedes Style!
Students explore the concept of Pi. In this Pi lesson, students calculate the area of regular polygons inscribed and circumscribe around a unit circle. Students use their data to create an algorithm to find Pi with never ending digits.
9th - 12th Math 3 Views 12 Downloads
Constructing a square inscribed in a circle
Here is an activity that focuses on the actual construction of the square inscribed in a circle. The lesson allows for the use of dot paper or graph paper with straight edges and protractors, or dynamic geometry software programs. After...
8th - 11th Math CCSS: Designed
New Review Inscribing and Circumscribing Right Triangles
High schoolers attempt an assessment task requiring them to find the radii of inscribed and circumscribed circles of a right triangle with given dimensions. They then evaluate provided sample responses to consider how to improve their...
9th - 12th Math CCSS: Designed
Surface Area and Volume of Conics - Cylinders, Cones, and Spheres
This is a multi-faced unit that looks at circles, arcs, sectors, cylinders, cones, spheres, and hemispheres. The formulas for finding length, area, surface area, and volume are discussed with an eye towards an intuitive understanding....
8th - 11th Math CCSS: Adaptable
Woodworkers and Finishers: Working with Area
Connecting math to furniture building comes in handy when the dimensions change and the cost of each piece needs to reflect the higher cost. Starting with a drawing of given quadrilaterals, learners calculate the original area and then...
7th - 9th Math CCSS: Designed
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