Geometry Lesson

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Points, Lines & Planes

Any questions? Assign Homework

Understanding Questions

Establish Postulates

The 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?"

Worksheet #1

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.

How are these terms represented on paper?

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

Define qualities of terms

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

Plane

Coplanar

Prefix

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

Line

Ray

Segment

Indefinite Line

Point

Collinear Points

Building Block of Geometry

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