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Unit Details

​​​​​​​​​​​​​​​​​​​​​​​​Instructions: Rockwood unit details share the timeline, the enduring understanding and the essential questions for each unit.  Click on the standard title to be directed to the information on related standards for the unit.​

 Unit Details

Unit Title
Parallel and Perpendicular Lines
Unit Number
GEOM03
Course
Geometry
Content Area
Math
Description
Students will be able to determine if two triangles are congruent and, if so, complete a proof showing that
they are congruent.
Timeline
2.5 Week(s)
Enduring Understandings
Proving triangles are congruent develops a deeper, more enduring understanding of triangles.
Just 2 or 3 corresponding parts may be needed to prove an entire triangle pair to be congruent.
Corresponding parts of congruent triangles are congruent.

Essential Questions
What processes are valid to prove two triangles are congruent?
What can you conclude about two triangles that are congruent?
How can you prove parts of congruent triangles are congruent?

Additional Unit Resources

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Standard
Standard Component
ECO
  
Define angle, circle, perpendicular line, parallel line, line segment and ray based on the undefined notions of point, line, distance along a line and distance around a circular arc.
  
Prove the slope criteria for parallel and perpendicular lines and use them to solve problems.
  
  
Standard
Standard Component
ECO
  
Prove theorems about lines and angles.
ECO
  
Use coordinates to prove geometric theorems algebraically.