Exploring Algebraic and Geometric Relationships

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Presentation transcript:

Exploring Algebraic and Geometric Relationships Section 1.1 Students will be able to describe, classify and name attributes to polygons.

General Team Roles

You will change the roles on a daily bases giving everyone the opportunity to do each role. We will change groups after each unit

1.1.1 Classify a Polygons Activity Silent Squares As a group you are to try and make a square. You must complete 4 squares. Each person in the group will be assigned a letter a,b,c or d You may not talk. You may not gesture.  You may not take a polygon piece from someone (they have to give it to you without any gestures or encouragement). You may give your polygon piece to any of your team members.  Your whole team must complete the task. 

1.1.1 Classify Polygons Activity Polygon Bucket You will be given an envelope of polygons and you need to use those polygons to try and construct at least 2 of the 4 shapes. When you have one shape constructed using the polygons draw in the lines the polygons will make as you may need them for the other shapes

Venn Diagrams Two Circles overlapping Center is where both sections are true

Symmetry Symmetry rigid transformation that appears to map a polygon back on itself Reflection Sym when you can reflect an image back on itself exactly, line of sym, where you can fold the object back on itself Rotation Sym when you can turn a figure around a fixed point and get the exact some figure again, called n-fold rotation, need to have 2 or more Translation Sym more object left right, up or down

Venn Diagrams Investigation 1-3 Using the Venn Diagrams given to each table put the shapes that fit into each section correctly. Venn 1 Venn 2 Venn 3

Homework 1.1.1 Pg 19 1-4 through 1-8 These will have some review concepts as well

1.1.2 How Can I describe it Definition and properties from the shapes in the polygon bucket Polygon Graphic Organizer Write in pencil what you think to definition of each figure is and the properties Think about what shapes are related Markings on shapes for congruency, parallel, perpendicular

Geometric Parts and Terms Point Has no dimensions, gives a location of a point Named with a capitol letter Line Made up of an infinite number of points, goes on forever in opposite directions Named with any 2 points on the line, with a line drawn above the letters Line Segment Part of a line that has 2 endpoints can be measured The endpoints are the name of the line, with a picture of a line segment above Endpoints Points indicating at the end of the segment Vertex Common endpoint between 2 segments or rays, a corner Measure No symbol above the points indicates that you should measure the distance between the points Ray Part of a line that has only 1 endpoint and goes in one direction forever, named with the endpoint first than any point on ray with a ray symbol above Angle Formed by 2 rays, with a common endpoint, degree measure between the two rays

Homework Pg 31 1-16 trough 1-20