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## High School Concept Development Units - Geometry

Pre-Algebra | Algebra | Geometry | Trigonometry | Statistics | Pre-Calculus | Calculus | Internet | Science | Modeling | Data Analysis
2009
Area and Geometric Probability Grades 6-12
Reasoning and Proof: A Logical Way of Thinking Grades 9-12
2007
The Right Stuff HS Geometry
2006
Go With The Flow! Grades 9-12
2005
Investigating Special Right Triangles and Area of a Regular Polygon HS Geometry
A Trigonometric Path into the Land of Regular Pentagons Grades 9-12
With Poly-gon, Who is Left to March? Grades 10-12
2004
Pythagoras Wasn't Just a Square! Grades 9-11
Quadrilaterals Still Aren't Just Squares! - Part II - The Sequel Grades 8-12
2003
Geometry and Algebra I
Parallel Lines HS Geometry
Tangents, Secants, and Chords...OH MY! HS Geometry
2002
Regular Pentagons, "Star Polygons", and The Golden Ratio Grades 9-12
2001
As the World Turns Grades 9-12
Estimating the Dimension of a Coastline Grades 8-11
2000
1999
Algebra II, Pre-calculus,
Calculus, Discrete Mathematics,
and Statistics
Squareston -- The Use of Coordinate Geometry Grades 8-10, Activities 1 - 3
Algebra I, Geometry,
Algebra II, Trigonometry,
Pre-Calculus
Geometry
Geometry
Algebra and Geometry
1998
A Pen for Penny Grades 8-12,
Pre-Algebra, Algebra I,
Geometry
Geometry, Algebra
Surface Area and Volume Ratios in Cells Grades 9-12
1997
Going In, Out, and Around with Polygons Grades 9-12
Isometries: Walkin' & Talkin', ... Grades 9-12,
Geometry
Points of Curcurrency in a Triangle Grades 8-12
What's the Point? - A TI-92 Investigation Grades 9-12,
Geometry
1996
Angle-Arc Relationships in the Circle Grades 9-10
Geometry
Geometry
Exploring the Altitude Drawn... Right Triangle Grades 9-12,
Geometry
Inscribed Angles, Central Angles, ...Arcs Grades 9-12
Pythagorean Theorem and Its Converse Grades 9-12
Geometry
Surfing the Web for Crystals and Polyhedra Grades 9-12
Geometry
Geometry
The Zit Theorem: Changing ... Trapezoids Grades 9-12
Geometry
Algebra and Geometry
1995
Geometry
Can You Can a Can? Grades 8-12
Geometry - Calculus
Geometry