CC Geometry Course Outline
- First Day Business: Class Policies/Norms, Edmodo, Class Jobs, Getting to Know You
- Set up INB: Pocket, TOC, Class Policies, Math Toolbox & Reference Sheet, Grade Record
- What is Geometry? How is it different from Algebra and other math classes?
- Undefined Terms: Point, Line, Plane & Definitions: Segment, Angle, Side, Collinear, Right/Acute/Obtuse Angles
- Notation and Labeling Figures
Unit 1: Transformations
- Transformations as Functions (+vocab: image, pre-image)
- Symmetries
- Rigid Transformations (Isometries) & Preserved Properties
- Compositions of Transformations
- Practice with Translations (with and without coordinates)
- Practice with Reflections: reflect & find line of reflection
- Reflections with Coordinates
- Practice with Rotations: rotate & find center/angle of rotation
- Rotations with Coordinates
Unit 2: Triangles
- Segments in Triangles: medians, altitudes, angle bisectors, perpendicular bisectors
- Linear Pairs, Vertical & Adjacent Angles
- Complementary & Supplementary Angles
- Sum of Interior Angles of a Triangle
- Classifying Triangles by Side (Equilateral, Isosceles, Scalene) and by Angle (Acute, Right, Obtuse)
- Exterior Angles of a Triangle
- Isosceles Triangles
- Triangle Inequalities
- Pre-Proof Reasoning
Unit 3: Congruence
- Congruent Figures
- Rigid Motion and Congruence
- Methods of Proving Triangles Congruent (SSS, SAS, ASA, AAS, HL)
- Algebra Proofs (not in curric) as intro to Geometry Proofs
- Proving Triangles Congruent (Mini Triangle Congruence Proofs) ← Use Proof Blocks
- Proving Triangles Congruent (Midpoints and Bisectors)
- Proving Triangles Congruent (Linear Pair Supplementary Vertical Angles Medians Altitudes)
- Proving Triangles Congruent (Substitution Transitive Addition Subtraction)
- Angles and Parallel Lines: corresponding angles, alternate interior angles, alternate exterior angles, consecutive interior angles
- Algebraic Problems involving Angles and Parallel Lines + Proving Lines Parallel
- Perpendicular Lines
- Perpendicular Bisectors
- Proving Triangles Congruent (Overlapping Triangles)
- Corresponding Parts of Congruent Triangles (CPCTC)
Unit 4: Quadrilaterals
- The Quadrilateral Family - properties of all quadrilaterals (4 sides, sum int angles 360)
- Properties of Parallelograms
- Parallelogram Proofs
- Properties of Rectangles, Rhombuses, and Squares
- Rectangle, Rhombus, and Square Proofs
- Properties of Trapezoids and Kites
- Midsegment of a Trapezoid
- Mixed Practice Problems
Unit 5: Constructions & Concurrencies
- Using a Compass and Straightedge: Copy a line segment, copy an angle
- Bisect a Segment / Perpendicular Bisector, Bisect an Angle
- Parallel through a Point
- Perpendicular through a Point not/on a line
- Construction: Regular Hexagon
- Construction: Equilateral Triangle
- Construction: Square
- Construction: Reflections
- Construction: Angles 90, 60, 45, 30
- Construction: Altitude, Median, Angle Bisector in a Triangle
- Construction: Congruent Triangles - SSS, SAS, ASA
- Construction: Partition a Line Segment
- Points of Concurrency
- Centroid: Concurrent Medians
- Orthocenter: Concurrent Altitudes
- Circumcenter: Concurrent Perpendicular Bisectors
- Incenter: Concurrent Angle Bisectors
Unit 6: Dilations & Similarity
- Dilations
- *Horizontal and Vertical Stretches
- Dilations and Lines
- Similarity
- Midsegment of a Triangle
- Side-splitter Theorem
- Measurements in Similar Figures (perimeters, areas, volume)
- Proving Similar Triangles
- Radicals Review
- Mean Proportional (Geometric Mean)
- Mean Proportional in Right Triangles (HLLS & SAAS)
- Pythagorean Theorem & Triples (Pythag Spiral for fun)
- Special Right Triangle: 45-45-90
- Special Right Triangle: 30-60-90
- Trigonometric Ratios
- Sine and Cosine of Complementary Angles
- Trigonometry: Solving for a Side
- Trigonometry: Solve for an Angle
- Trigonometry: Word Problems (angle of elevation/depression)
Unit 7: Circles
- Circle Basics
- Circumference and Area (or save for unit 9??)
- Arcs and Chords
- Inscribed Angles
- Radius and Tangents
- Secants and Tangents
- Angles, Chords, and Secants
- Review Angle Rules
- BIG Circles
- Circle Proofs
- Segment Rules: Secants and Tangents
- Segment Rules: Intersecting Chords
- Arc Length & Radian Measure
- Area of Sectors
- Inscribed and Circumscribed Polygons - angles, segments, constructions
Unit 8: Coordinate Geometry & Equations
- Midpoint
- Length/Distance
- Slope
- Partition a Directed Line Segment
- Area and Perimeter on the Coordinate Plane
- Coordinate Geometry Proofs: Triangles
- Equations of Parallel Lines
- Equations of Perpendicular Lines
- Equations of Parabolas (?) as Conics
- Review Completing the Square
- Equations of Circles
Unit 9: Extending to 3 Dimensions
- Types of Polygons (n-sides, regular)
- Interior Angles of Polygons
- Exterior Angles of Polygons
- Area and Perimeter of Polygons
- Area and Circumference of Circles
- Right Prisms: Volume
- Cavalieri’s Principle
- Pyramids
- Cylinders
- Cones
- Spheres and Hemispheres
- Solids of Revolution
- Modeling
- Density
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