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Constructions and Concurrencies
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Concepts directly referenced in the CCSS Appendix A and PARCC MCF are labeled "PARCC".

The other listings are applications of these concepts.
LESSONS:
* calculator link
Constructions - Compass and Straightedge
PARCC
G.C.4 is in CCSS but NOT PARCC
* EngageNY (Regents) suggests including G.C.4 for "coherence", but not for testing.
Other Construction Tools
*
Points of Concurrency
PARCC
Circumcenter - Concurrent Perp. Bis. (& construction of circumscribed circle)
PARCC
Incenter - Concurrent Angle Bisectors (& construction of inscribed circle)
PARCC
Locus  [Common Core and PARCC do not reference the term "locus", but do reference the concepts.]
 
Locus questions pertaining to the coordinate plane appear in Coordinate Geometry.


PRACTICE: