
Workshops 
Geometry
Activities or Powerpoints 
Advanced Algebra 
Pre Calculus 
Calculus 
GeoGebra tools 
Grad Classes 

Search my resources:

Using an older version of Microsoft Office and can't open .pptx files? Try downloading this fix here. 
The .ggb files are actually interactive Java webpages. Contact me if you want the original file. 

Another great place to find resources is my colleague Jerel Welker's page. Here is a link to his resource page: http://isite.lps.org/jwelker/lessons/resources.htm 


 FLEX Session June 23, 2011  Modeling Trigonometric Functions
FLEX Session May 29, 2013  Proving Lines Parallel and Inscribed Angles
FLEX Session August 7, 2013  iPad Apps in the Math Classroom
NATM Preprofessional Conference November 8, 2014  Using GeoGebra in the Math Classroom




GeoGebra:
3.4  Slopes of Parallel Lines .ggb
3.4  Slopes of Perpendicular Lines .ggb
4.5  SSA Triangle .ggb
5.24  Four points of concurrency (Circumcenter, Incenter, Centroid, Orthocenter) .ggb
5.24  Activity: Orthocenter .ggb and Circumcenter .ggb
5.4  Median segment lengths separated by the centroid .ggb
5.5  Exterior Angle Inequality .ggb
5.5  Triangle Side  Angle Inequality .ggb
5.5  Triangle Inequality .ggb (Old version for possible side lengths of a triangle)
5.5  Triangle Inequality .ggb (New version for possible side lengths of a triangle)
6.3  Demonstration of AA Similarity Postulate
6.5  Triangle Proportionality Theorem .ggb (two parallel lines)
6.5  Triangle Proportionality Theorem .ggb (new version in GeoGebra 4)
6.5  Extended Triangle Proportionality Theorem .ggb (three parallel lines) and Practice .ggb
6.5  Angle Bisector Proportionality Conjecture.ggb and Angle Bisector Proportionality Proof .ggb
7.1  Pythagorean Theorem Proof .ggb
7.1  Pythagorean Theorem Proof Number Two .ggb
7.2  Classifying Triangles from the Pythagorean Theorem .ggb
7.3  Similar Triangles From Altitude of a Right Triangle Animation .ggb (courtesy of Jerel Welker)
7.3  Similar Triangles From Altitude of a Right Triangle Quiz .ggb (courtesy of Jerel Welker)
7.7  Solving Right Triangles Quiz .ggb
8.1  Sum of Interior Angles of a Polygon Demo .ggb (courtesy of Jerel Welker)
9.1  Translation .ggb
9.1  Translation in Coordinate Notation Quiz .ggb
9.3  Reflection .ggb
9.4  Rotation .ggb
9.4  Rotation of points in a triangle quiz .ggb
9.5  Double Reflection Over Parallel Lines .ggb
9.5  Double Reflection Over Intersecting Lines .ggb
10.3  Congruent Chords Equidistant from Center .ggb
10.3  Finding the diameter of a broken dinner plate problem. ggb
10.4  Proving the measure of an inscribed angle is half of the intercepted arc. ggb
10.5  Demonstration of the "Inscribed Angle" from TangentChord Intersection .ggb
10.5  Arc Measure with a Tangent Quiz .ggb (courtesy of Jerel Welker)
10.5  Demonstration of the Angle Measures from SecantSecant Intersection .ggb
10.5  Angle Measures from SecantSecant Intersection Quiz .ggb
10.5  Angle Meausres from SecantTangent Intersection Quiz .ggb (courtesy of Jerel Welker)
10.6  Proving the relationships between lengths of intersecting chords or secants in a circle .ggb
10.6  Length of Chords, Secants, and Tangents Quiz .ggb (courtesy of Jerel Welker)
11.12  Area and Perimeter of a Circle from a Regular Polygon .ggb (courtesy of Danielle Buhrman)
11.2  Area of Circle Proof .ggb
11.3  Area of a Regular Polygon Quiz .ggb
11.7  Investigating height, slant height, for surface area of a Pyramid .ggb
Activities: (Contact me at mjames2@lps.org if you are a teacher outside of LPS who would like a file that is password protected here)
1.2  Segment Addition Postulate Activity  Segments .pdf and Student Worksheet/Teacher Instructions .pdf
2.67  Segment Addition and Angle Addition Proofs  Proofs/Teacher Instructions .pdf
5.24  Points of Concurrency Activity  Student Packet .pdf, Teacher Instructions .pdf, Orthocenter .ggb, and Circumcenter .ggb
Clickers and Powerpoints: (Contact me at mjames2@lps.org if you are a teacher outside of LPS who would like a file that is password protected here)
Note: Section numbers based upon old LPS geometry book sections
1.1  Introduction to Patterns  Lesson .pptx
1  Review of Introductory Geometry  Review Questions .pptx
2.1  Point, Line, and Plane Postulates  Lesson .pptx
2.56  Introduction to Proofs (Segment and Angle Addition)  Lesson .pptx
3.34  Properties of Parallel Lines  Clicker .pptx
3.5  Additional Properties of Parallel LInes  Clicker .pptx
4.2  Introduction to Congruent Triangles  Lesson and Clicker .pptx
4.35  Proving Triangles Congruent and CPCTC  Lesson and Clicker .pptx
5.1  Perpendicular and Angle Bisectors  Clicker .pptx
5.23  Points of Concurrency of a Triangle  Clicker .pptx
5.4  Midsegments of Triangles  Lesson and Clicker .pptx
5  Reivew of Properties of Triangles  Clicker .pptx
6.1  Introduction to Polygons  Clicker .pptx
6  Review of Quadrilaterals  Clicker .pptx
7  Review of Transformations  Clicker .pptx
8.45  Similar Triangles  Clicker .pptx
8.6  Proportions and Similar Triangles  Clicker .pptx
8.7  Dilations (Enlargements and Reductions)  Clicker .pptx
8  Review of Proportions and Similarity Clicker .ppt
9.14  MidChapter Review of Right Triangles  Clicker .pptx
10.1  Tangents to Circles  Clicker .pptx
10.3  Example Problem  Broken Dinner Plate .pptx and Broken Dinner Plate .ggb
10  Review of Circles  Clicker .pptx
11.3  Regular Polygons and Similar Polygons  Clicker .pptx
11  Review of Regular Polygons, Arc Length, Sector Area, etc.  Review Questions .pptx
12  Review of 3D Solids  Clicker .pptx


 Advanced Algebra
 2.2  PointSlope Form of a Line .ggb
5.3  Graphing Parabolas Using Transformations .ggb
6.1  Polynomial Function Properties .ggb
6.2  Polynomial Zeros and their Multiplicity .ggb
9.3  Investigating Properties of Rational Functions with Multiplicity .ggb
11.5  Demonstrating the Sum of an Infinite Geometric Series that Converges .ggb






 Calculus
 2.2  Definition of Derivative Activity .ggb
3.2  Exponential Derivative .ggb
3.5  Sine Derivative .ggb
5.1  Five Major Types of Integral Approximations .ggb
5.4  Average Value of Function from Definite Integral .ggb
7.57.6  Trapezoid and Midpoint Overestimate vs Underestimate: Concave Down .ggb and Concave Up .ggb


 GeoGebra Tools
 Instructions on how to download my tools and have them appear in your GeoGebra
All Tools  Java Worksheet and .ggb Download
Inverse Function Tool  Java Worksheet and .ggb Download
Polar Equation/Function Graphing Tool  Java Worksheet and .ggb Download
Parabola Tools  Java Worksheet and .ggb Download
Points of Concurrency Tools (Circumcenter, Incenter, Centroid, Orthocenter)  Java Worksheet and .ggb Download
Quadrialterals Tools (Rectanlge, Parallelogram, Rhombus, Kite)  Java Worksheet and .ggb Download
Rectangular Prism Tool  Java Worksheet and .ggb Download
Common Tangents of a Circle Tool  Java Worksheet and .ggb Download


 Graduate Courses
 LaTeX Commands Quiz .ggb
Helpful Hints in GeoGebra .ggb
Spider  Fly Shortest Distance Problem .ggb
Pirates  Treasure Island Problem .ggb

Lauritsen's Files 
