Points, Lines & Planes

Building Block of Geometry

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Discuss that the following are the building blocks of geomtry and they are concepts we'll work with for the rest of the year.

Define qualities of terms

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After explaining each term students will be asked to create the visual representation of a term with play -do

Point

Collinear Points

Line

Indefinite Line

Segment

Ray

Plane

Coplanar

Prefix

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Discuss the meaning of the prefix "Co" as part of SAT prep

How are these terms represented on paper?

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Discuss the notation for points (A), lines (AB), planes (ABC or plane M), segment, ray

Worksheet #1

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Provide handout and ask students to identify a point, line, plane, segment, ray and ask them to use standar notation to name them.Ask students to identify a real life example of each.

Understanding Questions

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Establish PostulatesThe intersection of 2 lines is a point.The intersection of two planes is a line.How many straight lines connect 2 points?? 1"The shortest distance between two points is a straight line'- Discuss traffic and the structure of streets "How do you get to the Santa Monica Beach from Wilson High school?" "Wouldn't be much easier to drive straight from Wilson High School to Santa Monica Beach if a road existed directly from one to the other?"

Any questions? Assign Homework