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IGD: Perpendicular Lines

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  • Jun 15 2009 8:23 AM

    may be able to be modified to work for Algebra I // Kelly Nelson

    My 8th grade students always seem to have difficulty with the idea of the slopes of perpendicular lines. I found this illuminations activity under the Algebra I standards, but this activity is not related to the slopes. It only examines the 90 degree angle. I think it may be able to be modified so that I can project the lines onto graph paper on the board. Then, as a class, we can examine the slopes.
  • Jul 28 2010 8:27 AM

    Elisa Ramirez // Elisa Ramirez

    This resource was matched by a member of the Brokers of Expertise standards matching team.

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Description

This student interactive, from Illuminations, helps students understand and investigate perpendicular lines. Students read a definition, and then use the interactive to explore the properties of two perpendicular lines.

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    Topics and Grades

    Grade: 9 to 12

    Topics: Mathematics

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