January 19th, 2022
Middle School Resource Interior Angles of a Triangle by Math Open Reference This interactive web page demonstrates the properties of the interior angles of a triangle. The page shows a triangle where the user can drag the vertices to reshape it. As it is being changed, the angles are continually updated, along with an expression […]
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January 17th, 2022
Elementary School Resource Definition of a Point by Math Open Reference This web-based resource provides a definition of a point, a practice exercise for moving points, and links to other pages within the website that provide information on coordinate geometry. This interactive application can be enlarged for use on a classroom projector. All materials found […]
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April 7th, 2021
High School Resource Domain Representations by Illuminations Students use graphs, tables, number lines, verbal descriptions, and symbols to represent the domain of various functions. Related NY State Academic Standards: Math.MP.5, Math.MP.7 Be sure to check out our Educational Resources, featuring thousands of activities, lesson plans, constructed-response questions, rubrics, teacher resources, multimedia, and more!
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