A Geometric Investigation of (a + b)2

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  • Aug 12 2010 8:20 PM

    Rita Nutsch

    This resource was matched by a member of the Brokers of Expertise Standards Matching Team.

  • May 14 2009 10:12 AM

    Cool site! // Victoria Williams

    I have not used this with my students yet, but in my honors pre-algebra class, I plan to teach some FOILING and factoring at the end of this year to prepare them for next year. This is a really great illustration of (a + b)squared.

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Description

This student interactive, from Illuminations, allows students to explore a geometric explanation of why (A + B) squared = A squared + 2AB + B squared. The page includes directions for using the interactive as well as hints to help students understand this demonstration.

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    Grade: 9 to 12

    Topics: Mathematics

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