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10/5 Bell Ringer Step 1: Grab todays materials from the front of the room Step 2: On your bell ringer sheet, set up a coordinate plane (see example), label the x and y-axes and then plot these three points: (2,6) (4,1) and (3,2). Homework: Finish Independent Practice on Coordinate Plane navigation.

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10/5 News and Notes Did you reach your goal? Are you Raising the Bar? Schedule for week: –Today: Coordinate plane review –Tom: Reflections in coordinate plane –Thurs & Fri: Translations and Rotations in coordinate plane –Mon: No School –Tues: Review –Wed: Test

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10/5 Agenda I CAN identify, navigate and plot points in all four quadrants of the coordinate plane. 1.Bell Ringer 2.New Material – Examples 3.Connect the Dots 4.Independent Practice 5.ACT Question of the Day

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Bell Ringer Review / Intro to New Material X Y Recall that all points are in the form (x,y). This is called an ordered pair. (2,6) (4,1) (3,2) (2,6) (4,1) (3,2)

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Intro to New Material X Y All of the points were in the first quadrant. What are the other 3 quadrants? What happens when we make X negative? (-2,6) (-4,1) (-3,2) (-2,6) (-4,1) (-3,2) III IVIII

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Intro to New Material X Y What happens when we make Y negative? (2,-6) (4,-1) (3,-2) (2,-6) (4,-1) (3,-2) III IVIII

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Intro to New Material X Y What happens when we make X and Y negative? (-2,-6) (-4,-1) (-3,-2) (-2,-6) (-4,-1) (-3,-2) III IVIII

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Now make a general conclusion. What will be true of x and y in each quadrant? Q1: (x, y) Q2: (-x, y) Q3: (-x, -y) Q4: (x, -y) X Y I (+,+)II ( –, +) IV (+, –) III (–, –)

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Connect the Dots Each column will create a graph. Heres the process: Round 1: Plot & label given point; Pass back. Round 2: Check previous, plot new point; Pass. Round 3: Same as 2 … Round 6: Check all, connect dots, pass.

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X44-6-6 Y2-326 X012-23-3 Y0114499

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Independent Practice You now have all but the last 5 minutes for the Independent Practice

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ACT Question of the Day Given points (5,3), (3, -2) and (1,9), which quadrants are empty? A.I and II B.II and III C.III and IV D.I and IV E.II and IV Homework: Finish Independent Practice on Coordinate Plane navigation.

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Algebra 23 Sept 2011 1) Take out your papers from your group folder and put them in your binder. 2) Put all your binder and text on your desk. Warm up:

Algebra 23 Sept 2011 1) Take out your papers from your group folder and put them in your binder. 2) Put all your binder and text on your desk. Warm up:

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