Grade 9-10TAC §111.41
Geometry
Deductive reasoning, congruence, similarity, circles, coordinate geometry, area, volume, and trigonometric ratios — spatial reasoning and formal proof.
Units
14
Credit
1.0 credit
Weekly Hours
5 hrs
Duration
36 weeks
What You'll Learn
Proof & Reasoning
Build deductive arguments from axioms to theorems. Two-column, paragraph, and coordinate proofs.
Interactive Constructions
GeoGebra dynamic constructions and Desmos coordinate geometry — manipulate figures to discover properties.
TEKS §111.41 Aligned
Covers Texas Essential Knowledge and Skills for Geometry.
Units (14)
1Foundations of Geometry2Logic and Proof3Parallel and Perpendicular Lines4Triangle Congruence5Triangle Properties and Relationships6Similarity7Quadrilaterals and Polygons8Circles9Area and Perimeter10Surface Area and Volume11Coordinate Geometry12Transformations13Right Triangle Trigonometry14Geometry Capstone