Jerel Welker, Lincoln Southwest High School

Resources

Also check out the Lesson Plans page for video and other tips.

(PPT) - Microsoft Powerpoint, (GSP) - Geometer's Sketchpad, (PDF) - Adobe PDF Document - (eZedia) Web presentation software requires only a web browser and applicable plugins such as QuickTime Player. (GGB) - GeoGebra is an open source application. Video tutorials created with JING require a flash plugin.

GeoGebra Tutorials/Lessons

Creating an equilateral triangle. Tutorial - Completed GGB
Measuring the angles of the equilateral triangle. Tutorial - Completed GGB
Constructing the angle bisector/perpendicular bisector. Tutorial - Completed GGB
Demonstrating the ratios of a 30°, 60°, 90° triangle. Tutorial - Completed GGB

Constructing a Parabola from the Definition - Java Worksheet - GGB
Modeling a Parabola - World War II Monument Fountain - Java Worksheet - GGB
Constructing an Ellipse from the Definition - Java Worksheet - GGB
Constructing a Hyperbola from the Definition - Java Worksheet - GGB

Area of a Parallelogram - Java Worksheet - GGB

Discrete Math -
- Finding Nearest Neighbor and Cheapest Link Algorithms
- 5 Cities Traveling Salesperson - Java Worksheet - GGB
- 6 Vertices Weighted Graph - Java Worksheet - GGB
- Junction Point Forming a Minimum Spanning Tree - Java Worksheet - GGB
- Steiner Finder overlay with rays at 120° angles. - Java Worksheet - GGB
- Video Instructions for Torricelli's Method of Finding a Steiner Point with Geogebra.
  Video 1, Video 2, Video 3, Video 4, Video 5, Video 6, Instruction Guide
- Finding a Minimum Spanning Tree with 4 vertices and up to 2 junction points - Java Worksheet - GGB

Precalculus

Section 2.7 - Graphing Rational Functions - Java Worksheet - GGB
Section 3.6 - Mathematics of Finance - PPT - Notes
Section 4.1 - Circular Object Lab - Relating arclength and angle (PPT)
Section 4.4 - Sine Family Graphs - Geogebra
Section 4.8 - Sample problems solving right triangles with angle of elevation and depression. (PPT)
Section 5.1 - Tips for learning trig rules used in proofs. (PPT)
Section 4.1 - Unit Circle
Section 4.2 - Unit Circle Trig Chart (PDF), Trig Rules Chart (PDF)
Section 6.4 - Introduction to polar points (PPT), Polar Graph Paper (PDF)
Section 6.6 - Sinusoidal Modeling Part I, Part II (eZedia)
Section 6.6 - Sinusoidal Modeling (Video)
Section 6.5 - Polar Grapher (GSP)
Chapter 6 - Vector Writing Project
Section 8.1 - Parabola - Conics PPT, Parabola PPT, Conic Sketchpad
Section 8.2 - Ellipse - PPT
Section 8.3 - Hyperbola - PPT

Precalculus D

Section 1.4 - Sample Word Mixture and $ Problems (PPT)
Section 2.6 - Sample Word Max/Min Problems (PPT)
Section 4.6 - Sinusoidal Modeling Part I, Part II (eZedia)
Section 5.6 - Finance Functions - Future Value, Present Value Annuities, Compound interest. (PPT) - Notes (PDF)
Chapter 5 - Writing Project - Budget, Rubric
Section 6.1 - Circular Object Lab - Relating arclength and angle (PPT)
Chapter 6 - Writing Project - Predicting Tides, Rubric
Section 10.1 - Introduction to conics. (PPT) Sketchpad demo
Section 10.2 - Parabola (PPT)
Section 10.3 - Ellipse (PPT)
Section 10.4 - Hyperbola (PPT)

Geometry D

Section 3.1 - Parallel Lines and Transversals (PPT)
Section 3.2 - Angles and Parallel Lines (PPT)
Section 3.3 - Slope (PPT)
Section 4.4 - Congruent Triangles (PPT)
Section 4.6 - Isosceles Triangles (PPT)
Section 5.1 - Triangle Points of Concurrency GSP Demo, PDF Instructions, PDF Worksheet
Section 4.6 - Isosceles Triangles (PPT)
Section 7.2 - Similar Polygons (GSP)
Section 7.4 - Parallel Lines and Proportional Parts (GSP)
Section 7.5 - Parts of Similar Triangles (GSP)
Section 8.1 - Geometric Means (GSP)
Section 8.2 - Special Right Triangles (GSP)
Section 9.2 - Angles and Arcs (GSP)
Section 9.3 - Arcs and Chords (GSP)
Section 9.4 - Intercepted Arcs (GSP)
Section 9.5 - Tangents (GSP)
Section 10.3 - Homework #25
Section 10.4 - Area of Triangle, Trapezoid and Rhombi
Section 11.1 - 2d Dot Paper, 3d Dot Paper (PDF) , Powerpoint - Sketching Solids
Term 2 Writing Assignment - Volumes of solids - Group, Student, Sample

Disrete Math

Chapter 7 - Using sketchpad to find a Steiner Point.
Discrete Math - 5 Cities Traveling Salesperson - Java Worksheet - GGB

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