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This lesson focuses on using the properties of rectangles to calculate area. It is designed to aid adult students to successfully master and apply basic geometry knowledge in a professional setting (construction and related) and can also contribute to achieving High School Equivalency (HSE).
Areas to be covered include properties of rectangles and squares; definition of ‘square’; right-angled triangles; calculating areas of rectangles and right-angled triangles; decomposition of area into manageable units; and calculating costs. Students will apply this knowledge to calculating the costs of purchasing building materials.

Subject:
Mathematics
Material Type:
Interactive
Lesson Plan
Author:
david cowell
Date Added:
08/08/2019
Geodesic Gumdrops
Conditional Remix & Share Permitted
CC BY-NC-SA
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This hands-on activity shows you how to build basic architectural shapes out of toothpicks and gumdrops. Learners explore how different shapes are more stable than others, and are introduced to ideas about "stretching and squashing"--that is, about tension and compression.

Subject:
Architecture and Design
Material Type:
Activity/Lab
Provider:
Exploratorium
Author:
Ellen Klages
Linda Shore
Pat Murphy
The Exploratorium
Date Added:
12/07/1998
Tile Patterns I: Octagons and Squares
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CC BY
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This task aims at explaining why four regular octagons can be placed around a central square, applying student knowledge of triangles and sums of angles in both triangles and more general polygons.

Subject:
Mathematics
Geometry
Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
01/23/2013