This list offers good places to begin looking for middle school lesson plan
collections or materials on which to base them. For more sites, see our
page of individual middle school
lesson plans, or browse
or search the
Forum's Internet Mathematics Library.
Math Forum Lesson Plan Collections
 Corner for Interactive Geometry Software (CIGS)  The Math Forum
 The main Math Forum page for resources devoted to the support of teaching with geometry software, especially dynamic, interactive software such as Cabri Geometry and the Geometer's Sketchpad. Instructional activities and lessons to read on the Web or download; a place for questions or conversations on the discussion group geometrysoftwaredynamic; links to sources of information and downloads of interactive software for geometry; help with configuring your browser and other questions you may have.
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 Exploring Data  Math Forum/USI
 Pages for finding and displaying data sets, designed to support workshops on statistics given by the Math Forum for the Urban Systemic Initiative in Philadephia and San Diego. Included are: links by level to relevant statistics Standards (NCTM, California, Philadelphia); lesson plans for collecting, analyzing, and/or displaying data; sources of data sets, general information, courses, and statistics software on the Web; and an "Oceans of Data" page with a data set (diving records) to download, instructions for making a ClarisWorks graph, suggested questions for discussion, and related 'ocean links' (NOAA, SeaWifs, tide tables, etc.).
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 The Geometer's Sketchpad: Classroom Resources  The Math Forum
 Sketchpad and JavaSketchpad dynamic interactive geometry resources on the Math Forum Site: sketches, activities, and tours; MAA meetings and groups with presentations and sample sketches; Forum Sketchpad Web Units (Algebra & Calculus; Vectors; Morphing in Sketchpad). See also the Math Forum's page of Sketchpad Resources on the Web.
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 A Tour of Fractions  Math Forum
 The Web often seems more like a maze than an organized set of resources. To help you find what you need, the Math Forum presents a 'tour' of fractions, offering links to lessons, activities, and materials, questions and answers from Ask Dr. Math, and recommended software, grouped by level (elementary, middle school, high school). Material on fractals is included.
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 A Tour of Measurement  Math Forum
 A central resource for people teaching and learning about measurement. For teachers there are links to lessons and materials, questions and answers from Ask Dr. Math, and recommended software, grouped by level (elementary, middle school, high school). For students there are general reference materials and questions and answers from the Dr. Math archives.
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Other Online Collections of Lesson Plans
 AskERIC Math Lesson Plans: Mathematics
 K12 lesson plans categorized by subject: Algebra, Applied Math, Arithmetic, Functions, Geometry, Measurement, Probability, Process skills, and Statistics. "Math minilessons" for elementary (K5), intermediate (68), and high school (912) level students.
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 Chance and Data in the News  The Mercury/University of Tasmania
 Newspaper articles collected from the Tasmanian (Australia) metropolitan daily newspaper, The Mercury, to represent the five areas of the Chance and Data curriculum (Data Collection and Sampling, Data Representation, Chance and Basic Probability, Data Reduction, and Inference), and aspects of numeracy throughout mathematics. Each section contains introductory questions, and each article is followed by a short discussion. Many articles can be associated with more than one part of the curriculum. Articles are also crossreferenced by topic for use in projects or by teachers of subject areas other than mathematics. News topics include: health, social change, sport, diet, environment/ science, traffic, smoking, politics, and gender issues.
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 ClarisWorks Graphing: Spreadsheet Lessons  Suzanne Alejandre
 Stepbystep directions for using ClarisWorks spreadsheets, helpful in exploring the differences between exponential functions and linear functions. Bar graphs, pie charts, pictograms, and other graphs for linear, polynomial, and exponential functions.
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 Classroom Projects  New Jersey Networking Infrastructure in Education (NJ NIE)
 Projects that use realtime data available from the Internet, and collaborative projects that use the Internet's potential to reach peers and experts around the world. The site lists currently sponsored projects by level, with an archive of past sponsored projects, each with a brief desciption and links to the National Science Standards and NCTM math standards it supports. more>>
 Exploring Data  Rex Boggs, Education Queensland
 A website with activities, worksheets, overhead transparency masters, datasets, and assessment to support data exploration. It also contains an extensive collection of articles designed to enhance the statistics knowledge of the teacher. A resources page gives a select list of resources to support introductory statistics, including texts, websites, datasets, java applets, and mailing lists. The majority of the resources are available as web pages and as Word 2.0 documents. Topics: Patterns, Stemplots, Dotplots, Histograms (mean/median/mode), Measures of Spread, Boxplots, Normal Plots, Scatterplots, Assessment. Datasets are available in tabdelimited, Excel 4.0 and NCSS 6.0 Jr formats. Resources for teaching and learning statistics; Linear Regression; Normal Distribution, Probability, Sampling, Confidence Intervals, Hypothesis Testing, Curve Fitting.
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 Federal Resources for Educational Excellence (FREE)
 A site for finding federallysupported educational resources. There are subject listings (including Mathematics) and a search engine, favorite sites (reviewed by users), more sites for students, comments and feedback forms, and the opportunity to be a FREE partner in developing Internetbased learning modules and communities.
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 Geometry and the Imagination  Conway, Doyle, Gilman, Thurston; The Geometry Center
 A collection of handouts for a twoweek summer workshop entitled 'Geometry and the Imagination', led by John Conway, Peter Doyle, Jane Gilman and Bill Thurston at the Geometry Center in Minneapolis, June 1728, 1991. The workshop was based on a course taught twice before at Princeton.
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 Geometry Online  Cynthia Lanius
 Geometry activities from a geometry class at Milby High School in Houston, Texas. Topics include: History of Geometry (contributions of Egyptians, Babylonians, and Greeks, with links to biographies of major contributors to geometry); Hidden Polygons (locate them on triangular grid paper); Isosceles Triangle Puzzler (use the Isosceles Triangle Theorem to analyze a problem with similar triangles  answers can be submitted online); Circles and Pythagoras; an SATType Quiz (graded online); The Golden Ratio (do a measuring activity and build a rectangle that approaches the golden ratio; Experiment with Volume (demonstration of volume of cylinders; SchoolBus Geometry (a nonEuclidean geometry introduced using a school bus rather than a taxicab; and Glossary of geometric terms. Includes Geometer's Sketchpad sketches to download.
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 GirlTECH  Cynthia Lanius; Center for Research on Parallel Computation (CRPC)
 GirlTECH is a teacher training and student council program that encourages young women to pursue careers in mathematics and science, offering intensive technology training to explore innovative teaching strategies for gender equity in the classroom through a training period at The Rice School and Rice University in Houston, Texas. GirlTECH lesson plans were designed by participating teachers to take full advantage of Internet resources and teach standard concepts in mathematics and sciences in new and exciting ways. The site includes over 70 lessons and Internet projects from 199598.
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 Internet Lessons  Susan Boone; GirlTECH '95, CRPC, RUSMP
 Lessons with an Internet component, developed for GirlTECH'95, a program funded by CRPC Rice University and the RUSMP. A Functional Housing Market asks students to search the Internet for housing prices and compare them to the area of a house, thus deriving a linear equation. The Internet Pizza Server lets students order pizzas, calculating their area and determine the better buy. With Pop Clock, students look at the census site, study data and make predictions on future populations. Find the mean and median speeds for racers in the INDY 500. Study rates and speeds by using the RealTime Traffic Report.
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 K12 Teaching Materials (Mathematics Archives)  University of Tennessee, Knoxville (UTK)
 An extensive list of Internet sites with significant collections of materials that can be used in the teaching of mathematics at the K12 level. Organized into categories: lesson plans, schools, software and other K12 Internet math sites. more>>
 Learner Online  Annenberg CPB Projects
 The Annenberg/CPB Project leads in helping schools and community organizations use telecommunications technologies to improve learning for all students. Since 1991 the Annenberg/CPB Math and Science Project has funded the development of print and electronic media that show concrete examples of good teaching and active learning in different settings, emphasizing communication and reform. Projects include: The Math and Science Collection; the Journey North; Science and Math Initiatives (SAMI) database; and The Guide to Math & Science Reform.
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 Mathematics (Folder View)  Explorer
 An extensive collection of lesson plans to download in ClarisWorks or Acrobat (PDF) format in the following categories: General Mathematics; Problem Solving and Reasoning; Mathematical Tools; Whole Numbers and Numeration; Measurement; Geometry; Statistics and Probability; Algebraic Ideas. See also Explorer's Outline Structure.
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 Mathematics Lesson Plans: Math  Intermediate (68)  Columbia Education Center (CEC)
 Middle school minilessons, listing author, grade level, subject, overview and purpose, objectives, materials needed, and activities and procedures, including materials for learning graphing, probability, geometry, about pi and large numbers, factoring, exponents, metric conversion, Roman numerals, checkbook math, and more.
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 The Mathematics of Change  1993 Woodrow Wilson Leadership Program in Mathematics
 Activities presented at a 1993 conference focused on change and reform, with notes on the type of technology represented and the level for which each is intended.
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 Math Lessons  Cynthia Lanius
 A variety of algebraic and geometric projects and puzzles that help students find mathematical patterns and formulas. The Million $ Mission explores exponential growth, a Fractal Geometry Unit teaches the secrets of fractals, the Mathematics of Cartography introduces students to the math underlying maps; Geometry Online illustrates Lanius' use of the Web in the classroom; Polyominoes challenges students to find patterns; Pattern Blocks build relations among fractions  and more.
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 Math Online  Koistinen, LeBlanc; KQED, San Francisco
 KQED's Center for Education and Lifelong Learning (CELL) presents a series of math lessons for K12 students and teachers, including online and video resources. Interdisciplinary lessons that integrate math, science, and languages arts for grades K6. Locate lessons by grade level, or find lessons from other sources; also a selection of links to math sites on the Web.
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 MSTE Lessons Resource  University of Illinois at UrbanaChampaign (UIUC)
 Browse lessons in Algebra, Geometry, Cross content, Statistics, and Math Science. The Office for Mathematics, Science, and Technology Education (MSTE) is joint venture of the Office of the Chancellor and the College of Education, intended to support activities promoting communication and collaboration among UIUC campus projects.
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 MSTE Java  University of Illinois at UrbanaChampaign (UIUC)
 Javabased activities submitted to MSTE, the Office for Mathematics, Science & Technology Education at UIUC.
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 Resource Room (Math Central)  University of Regina, Regina, Saskatchewan, Canada
 French version: Centre de ressources. A service of Math Central that allows mathematics educators to share resources having to do with math teaching. Submissions are stored in a database that can be browsed by educational level and curriculum strand, or searched by keyword. Also: mathematics glossaries, sites of particular interest to Saskatchewan teachers, and a CyberBibliography. Elementary, middle, and secondary level strands include: algebra, calculus, data management and analysis/consumer mathematics; equations and problem solving; functions; general; geometry; math history; measurement; numbers and operations; problem solving; ratio and proportion; subject integration; and trigonometry.
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 SCORE Mathematics Lessons  Jim Shaver, Schools of California
 Lessons by teachers that reflect California's Mathematics Framework and the NCTM Standards, organized by their main strands with links to descriptions of the strands: Functions, Algebra, Geometry, Statistics and Probability, Discrete Mathematics, Measurement, Number, and Logic and Language.
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 Secondary Mathematics Assessment and Resource Database (SMARD)  Queensland Assoc. of Mathematics Teachers
 Assessment tools and resources, including classroom activities, for secondary maths teachers. Much of the assessment is alternative assessment, known as 'authentic assessment' in the U.S. Searchable databases for Junior and Senior levels (with an explanation of what this means in the Australian educational system), and a list of web links to useful sites. The old version of this site is still available.
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 Shodor Education Foundation, Inc.
 A nonprofit research and education organization dedicated to the advancement of science and math education, specifically through the use of modeling and simulation technologies. Included on this site are instructional resources and software ready to be used in the classroom. For interactive models and curricular materials, the Foundation offers its
MASTER: Modeling and Simulation Tools for Education Reform resources, including a galaxy simulation, simulated annealing, biomedical and environmental models, and a simulation of Edgar Allen Poe's "Pit and the Pendulum."
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 S.J. Sharkie ThinkTank Math Lessons  San Jose Sharks
 This National Hockey League franchise has developed a number of math lessons in English and Spanish, downloadable in Adobe Acrobat (PDF) format for printing. Where are Hockey Players Born?; Up Up and Away Games with the Sharks (analysis of road trips); Goal to Goal (calculate distances, radius of rink elements); Checking Out Rival Rinks (highest/lowest, median, average and quartiles for capacity and prices); Presenting the Great Zamboni (calculations from feet to miles to kilometers); Time to Size Up the Situation (compare and contrast; tallest/shortest, heaviest/lightest, youngest/oldest; averages); How Much Dirt Does a Dump Truck Dump? (calculations using cubic measures in real life situations); The Big Chill (refrigeration mechanics, fahrenheit/celsius, liquid measures); and more.
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 SMILE Program Mathematics Index  Science and Mathematics Initiatives for Learning Enhancement
 Over 200 singleconcept lesson plans in the following categories: Geometry and Measurement, Patterns and Logic, Probability and Statistics, Recreational and Creative Math, Practical and Applied Math, Arithmetic, Graphs and Visuals, Algebra and Trigonometry, and Miscellaneous. These lessons may be freely copied and used in a classroom but they remain the copyright property of the author.
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 This is MegaMathematics! (MegaMath)  Nancy Casey; Los Alamos National Laboratory
 The frontier of mathematics is an exciting place, where mathematicians experiment and play with creative and imaginative ideas, many of them accessible to young children; others (infinity is a good example) whose profound mathematical importance is not widely known or understood. MegaMath is a project of the Computer Research and Applications Group at Los Alamos National Laboratory intended to bring unusual and important mathematical ideas to elementary school classrooms so that young people and their teachers can think about them together. See also http://www.c3.lanl.gov/megamath/.
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