Points, Lines & Planes
Building Block of Geometry
Define qualities of terms
Point
Collinear Points
Line
Indefinite Line
Segment
Ray
Plane
Coplanar
Prefix
Discuss that the following are the building blocks of geomtry and they are concepts we'll work with for the rest of the year.
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
Discuss the meaning of the prefix "Co" as part of SAT prep
Discuss the notation for points (A), lines (AB), planes (ABC or plane M), segment, ray
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.
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?"