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	MATRIX Math Achievement To Realize Individual eXcellence A grant program funded by the New Jersey Department of Education

Recommended Virtual Manipulative Libraries
- A Good place to start first if you can't find a resource below

Geometry

Introduction to Geometry- Very basic exploration of spatial relations and symmetry
Area, Perimeter, & Circumference
- Introduction to Area and Perimeter of Rectangles
- Calculating the Circumference of a Circle-self correcting practice
Angles
- Measuring Angles - (Kidport )"Click and drag" protractor
- Angles- Identification
Three dimensional geometric figures from Wisweb
Triangles
- Pre-made Sketches
- Making Triangles and Untriangles
- Name those Shape Makers!
- Sketchpad file with the sum of the angles of a triangle: trianglesum.gsp

Virtual demonstration of the sum of the angles of any triangle
Triangles & Spinwheels (And Getting to Know Geometer’s Sketchpad)
Triangle Explorer - Finding the area of triangles
Identifying Types of Triangles by Angles-self correcting practice
Finding the Third Angle of a Triangle-self correcting practice
Pythagorean Explorer Applet provides the student with various types of triangles of varying difficulty.

Symmetry, Congruence, Transformations, & Tessellations
- Rotation, Translation, Reflection, Dilation, & Composition activities from NVLM (requires IE)
- Transformations - Copying transformations on a coordinate grid from Harcourt E-Lab
- Sketchpad Activities: 11-5.gsp
- Tessellations (NCTM)
- Understanding Congruence, Similarity, and Symmetry (NCTM)
- Bisecting Figures - (Harcourt E-Lab) Using a line of symmetry to bisect plane figures
Polygons
- Finding Area of Polygons Using Pick's Rule
  - Use this applet to help you discover the rule.
    Download the geoboard geoboard for Geometer's Sketchpad: PC version or Mac version.
Sieve of Eratosthenes
Reflecting Pattern Blocks
It's Pizza Time - What should I buy?
The Pizza Server's Menu

Geometer's Sketchpad

Sample Lessons and Activities
- Sample Activities from KeyPress
  - Sample Classroom Activities: Click one of the activity books, such as Geometry Activities for Middle School Students, and download the .zip file
  - Sketchpad Activities for Young Learners: download the entire collection of sketches, handouts and Teacher Notes (syl_booklet_2003.zip)
  - Connected Mathematics Project Sketchpad Activities
- Sketchpad for Little Ones - Sample activities from the Math Forum
- Sample Student Activities with Student Handouts - from the Ottawa-Carlton school district
- Sample Student Activities with Teacher Guides - from teacherlink.org at the University of Virginia
- Sample SketchMad Activities with Handouts, lesson plans, and sample sketches - from Michigan State University
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Resources on the Web
- Math Forum
  - Sketchpad Resources at the Math Forum
  - Sketchpad Resources on the Web
- Pre-made Sketches
- Sketchpad links and resources from Teacher Link
- Geometry Module with many GSP activities- developed by The Rice University School Mathematics Project (RUSMP)

Algebra

Graphing / Data Analysis

Histograms- Students view and make their own histograms.
Circle Graphs and Graphers
- Candy Circle Graphs using M&M's and Spreadsheets
- Pie Chart from the NLVM
- Circle Grapher from Illuminations
Bar Grapher
Data Picking - Students collect data to make a frequency table.
Create A Graph (NCES) Provides four templates
Introduction to Statistics-Tutorial and practice
Using Spreadsheets to Interpret Data - (NCTM) Tutorial and Practice
Working with Graphs- Includes probability activities
Teacherlink - Microsoft Excel Activities (Sample Lessons and Student Activities)
Websites for Collecting Data, Maps, and Charts from TeacherLink