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Algebra: Quadratic Equations Seguin ISD March 1, 2011 Sonia Dominguez, Math Coordinator Diana Farris, Math/Science Coach Lisa Stevenson, Math/Science Coach

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AGENDA ECO Assessments for spring 2011 Activities: Quadratic Equations TI-Navigator Activity TI^3 Conference Ti-Navigator Activity 2

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TAKS to STAAR Plan for phase-out of TAKS and phase-in of STAAR 3 2010–20112011–20122012–20132013–20142014–20152015–2016 GR 3–8TAKS STAAR GR 9TAKS STAAR GR 10TAKS STAAR GR 11TAKS STAAR GR 12 & Out-of-School Students TAKS STAAR or TAKS STAAR or TAKS

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Current EOC Assessments Spring 2011 Administrations Most campuses have been assigned mandatory operational testing in Algebra I Geometry Algebra II Includes online and paper modes Testing window is May 9–27 Reports will be available to districts 4

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Current EOC Assessments Statewide summary reports for 2008–2010 are available on the TEA student assessment website at http://www.tea.state.tx.us/index3.aspx?id=5155&menu_id=793. http://www.tea.state.tx.us/index3.aspx?id=5155&menu_id=793 Statewide summary reports include “All Students”; this refers only to those students who participated in the EOC assessments. 5

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Current EOC Assessments 6 YEARMET STANDARD COMMENDED PERFORMANCE NUMBER TESTED 200549%6%20,844 200650%7%21,206 200753%8%32,812 200856%11%52,462 200957%11%78,419 201057%12%101,887 Algebra I EOC Assessment Performance

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Current EOC Assessments Geometry EOC Assessment Performance 7 YEAR20092010 MEAN RAW SCORE23/44 MEAN PERCENT CORRECT52% NUMBER TESTED47,271137,617 PASS RATE IF STANDARD = 70% OF ITEMS CORRECT 29%23%

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Quadratic Equations How can graphs, equations and tables be used to determine solutions to quadratic equations? What is the connection between x-intercepts and zeros of quadratic functions? What is the connection between roots and solutions of quadratic equations? 8

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Quadratic Equations How can you determine if a set of data represents a quadratic relationship? What types of geometric situations can be solved using quadratic equations? Why is a quadratic function the best model to represent vertical motion? 9

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Technology in Mathematics What are some ways to integrate technology in the classroom? How can we use the technology you’ve been working with in these sessions to enhance student understanding of mathematical concepts? 10

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3-2-1 Reflections 3 things that you have learned so far in these sessions 2 things that you will take back to your classroom 1 thing you still want to learn or have a question about 11

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11-2 Solving Quadratic Equations By Graphing

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