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Seventh Grade Math
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ACOS 2010
ACOS 2003
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updated 8.12.11
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Table of Contents
ACOS Objective 7
ACOS Objective 7
Determine the transformation(s), including translations, reflections, or rotations, used to alter the position of a polygon on the coordinate plane.
Determining the type of symmetry (rotational or line) found in a reflection or rotation
Graphing transformations of quadrilaterals on the Cartesian plane by plotting the vertices
Graphing figures which are similar to other figures using dilations
ARMT Possible Points = 4 (MC)
The four options may be four graphs.
The stem of the item may include a graph.
To change the position of a polygon on the coordinate plane may require two transformations.
The identification of a transformation may be required.
Sample problems from Item Specs
Content Standard 7.ppt
Details
Download
783 KB
Sara Parsley, a teacher at Oak Park Middle School in Decatur,
teaches translations
using the
Electric Slide
.
Kaleidoscope Lesson Plan
Webquest
Below are some websites I found regarding tessellations. Please feel free to add to the list!
Bathroom Tiles  great game to practice transformations
http://www.bbc.co.uk/education/mathsfile/shockwave/games/bathroom.html
Tessellation Animations
http://members.cox.net/tessellations/index.html
The Tessellation Tool
http://www.boxermath.com/plp/modules/online/workshop/toolbox/mosaictool.html?offer_id=PMTHF
Regular Tessellations (student lesson)
http://mathforum.org/pubs/boxer/student.tess.html
Coolmath.com – Karen’s Tessellation page
http://www.coolmath.com/tesspag1.htm
DIY Basic Facts
http://www.tessellations.org/diybasic1.htm
Escher Art Collection
http://www.cs.unc.edu/%7Edavemc/Pic/Escher/
Totally Tesselated
http://library.thinkquest.org/16661/
Movin' and Changin'
http://www.timiddlegrades.com/assets/pdfs/upload_dir/ti84plus_73_middlegrade_math_movinand_491.pdf
Texas Instruments calculator activity on transformations.
Reflections of Points and Figures
http://www.timiddlegrades.com/activitiesmath/487/
Texas Instruments graphing calculator activity
Reflections and Rotations
Students reflect figures over the x and yaxes and rotate figures 90°, 180°, and 270° counterclockwise about the origin, writing rules for each reflection and rotation.
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Table of Contents
ACOS Objective 7
Determine the transformation(s), including translations, reflections, or rotations, used to alter the position of a polygon on the coordinate plane.
ARMT Possible Points = 4 (MC)
Sample problems from Item Specs
Sara Parsley, a teacher at Oak Park Middle School in Decatur, teaches translations using the Electric Slide.
Kaleidoscope Lesson Plan
Webquest
Below are some websites I found regarding tessellations. Please feel free to add to the list!
Bathroom Tiles  great game to practice transformations
http://www.bbc.co.uk/education/mathsfile/shockwave/games/bathroom.html
Tessellation Animations
http://members.cox.net/tessellations/index.html
The Tessellation Tool
http://www.boxermath.com/plp/modules/online/workshop/toolbox/mosaictool.html?offer_id=PMTHF
Regular Tessellations (student lesson)
http://mathforum.org/pubs/boxer/student.tess.html
Coolmath.com – Karen’s Tessellation page
http://www.coolmath.com/tesspag1.htm
DIY Basic Facts
http://www.tessellations.org/diybasic1.htm
Escher Art Collection
http://www.cs.unc.edu/%7Edavemc/Pic/Escher/
Totally Tesselated
http://library.thinkquest.org/16661/
Movin' and Changin'
http://www.timiddlegrades.com/assets/pdfs/upload_dir/ti84plus_73_middlegrade_math_movinand_491.pdf
Texas Instruments calculator activity on transformations.
Reflections of Points and Figures
http://www.timiddlegrades.com/activitiesmath/487/
Texas Instruments graphing calculator activity
Reflections and Rotations
Students reflect figures over the x and yaxes and rotate figures 90°, 180°, and 270° counterclockwise about the origin, writing rules for each reflection and rotation.