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10 Day Unit
Teaches basic geometry terms and concepts to 8th grade students
Integrates technology in a fun way
Taught in 8th grade classroom
Ages 13 to 14
Should be briefly introduced
Review and advance knowledge
Classroom includes wide range of learners
M.O.8.3.1 Justify the relationships among corresponding, alternate interior, alternate exterior and vertical angles when parallel lines are cut by a transversal using models, pencil/paper, and technology.
M.O.8.3.2 Classify polyhedrons according to the number and shape of faces; use inductive reasoning to determine the relationship between vertices, faces and edges (edges + 2 = faces + vertices).
M.O.8.3.3 Identify, apply, and construct perpendicular and angle bisectors with and without technology given a real-world situation.
M.O.8.3.4 Create geometric patterns including tiling, art design, tessellations and scaling using transformations (rotations, reflections, translations) and predict results of combining, subdividing, and changing shapes of plane figures and solids.
M.O.8.3.5 Create scale models of similar figures using ratio, proportion with pencil/paper and technology and determine scale factor
M.O.8.3.6 Make and test a conjecture concerning regular polygons, the cross section of a solid such as a cylinder, cone, and pyramid, the intersection of two or more geometric figures in the plane (e.g., intersection of a circle and a line), and justify the results.
21C.O.5-8.2.TT3 Student uses multiple technology tools for gathering information in order to solve problems, make informed decisions, and present and justify the solutions.
Materials: Geometer’s Sketchpad software Worksheets Bulletin Board Graph Paper Colored Pencils Smartboard• Supplies to make polyhedrons• The Standard Deviants – Geometry (DVD)
o Classzonehttp://www.classzone.com/books/geometry/index.cfmo Learning Mathhttp://www.learner.org/channel/courses/learningmath/
geometry/o About.comhttp://math.about.com/gi/dynamic/offsite.htm?zi=1/XJ/
Ya&sdn=math&cdn=education&tm=5&gps=90_98_1276_597&f=00&su=p774.1.140.ip_&tt=14&bt=0&bts=0&zu=http%3A//mathforum.org/geometry/geom.units.html
o The Solution Sitehttp://www.thesolutionsite.com/lesson/1057/
grandviewelB1.html
Day 1• Review basic
concepts & terms• PowerPoint
Presentation• Handout with
PowerPoint
Day 2• Lines & Angles• Geometer’s
Sketchpad with Smartboard
• Students construct object on board
Day 3• Review angles with
bulletin board• Worksheet on
bulletin• Introduce 3-D
objects with classroom object
• List objects for homework
Day 4• Student with most
examples gets a prize
• Introduce three day long project Building project with
group Need to know how
geometric factors are functional in project
Day 5• Entire class time to
work on building projects
• Ask question while they work as a group
Day 6• Each group gives a
3-5 min. presentation about their building
• Graded on Presentation and overall project
Day 7• Classroom
discussion on polyhedrons
• Create own polyhedrons and turn in for a grade
• Last 20 minutes doing internet activity
Day 8• Worksheet
reviewing previous day
• Discuss symmetry and transformations
• Each students comes to board to draw line of symmetry
Day 9• Watch movie –
“The Standard Deviants – Geometry (pt. 1 & 2)”
• Worksheet on video to keep students on task
Day 10• Instead of formal
exam students participate in a variety of activities, including Geometry Simon Says.
Individual and group activities Wide range of learning styles Most work completed on their own Required handouts to be turned in for
grades Hold attention with various forms of
technology ranging from the interactive Smartboard, to online activities
M.O.8.3.1 – Presentation on building project M.O.8.3.2 – Create own polyhedrons M.O.8.3.3 – Construct building and give
presentation M.O.8.3.4 – Students come to board to
demonstrate symmetry and create tessellations M.O.8.3.5 – Unofficially evaluated while working
on building project M.O.8.3.6 – Evaluated by giving examples of 3-D
objects for homework 21C.O.5-8.2.TT3 – Informally assess student’s
basic understanding of symmetry by using the Smartboard on day 8