 Kuutigo  Sakari Rosenqvist, Osmo Kotonen, Rosentwist Oy
Kuutigo® is a Finnish educational and recreational game designed for practising exercises in mathematics and vocabulary. At the same time, it develops logical thinking, motor skills, and concentration and memory. Manufactured completely in Finland, the
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 Linear Equation Solver  Mark Chamness
A Java applet that solves three equations with three unknowns.
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 Linear Equations (SMILE)  Beatrix U. Ennis, Senn Academy High School
A lesson designed to teach students to emulate the steps in solving linear equations by means of a manipulative; and to transfer the operations performed on the manipulatives to equation form. From the Algebra and Trigonometry section of a collection
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 Lure of the Labyrinth  Learning Games to Go (LG2G)
In this free online adventure game, middleschool prealgebra students rescue their pets, combat mysterious monsters, and embark on whimsical math missions to gain a better understanding of proportions, fractions, and ratios, variables and equations,
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 MadCalc  Richard Anton, MadLogic, Inc.
MadCalc is a full featured graphing calculator application for PCs running Windows. MadCalc graphs rectangular, parametric, and polar equations; it also plots multiple equations at once. Change the colors of graphs and the background. Download demos or
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 MAE30: Teaching Mathematics With Technology  Dr. Eric Wood, University of Western Ontario
Documents, most in PDF format: Class Handouts (A New Test for Max/Min; Factoring by Decomposition; Discovery Lesson y = mx + b; Discovery Lesson on the Ellipse); Instructions for Teaching With Technology Assignment; Semiprogrammed Lesson Plans (Solving
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 Magako  Samuel Le
Practice simplifying fractions, adding and subtracting them, expanding and simplifying expressions, and solving linear equations.
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 Materials for using projector in math teaching  Antonija Horvatek
Geometer's Sketchpad and PowerPoint files for presenting fractions, decimals, integers, rational numbers, equations, functions, perimeter and area, plane transformations, the Pythagorean Theorem, threedimensional geometry, and statistics. Also available
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 MathDrills  Elias and Daniel E. Saab
Math drills with randomly generated problems, with details and hints and scores kept. Types of drills include problems on distance, speed, and time; job completion; roots of polynomials; percentage word problems; arithmetic attack; fraction attack; bases;
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 Mathematical Maelstrom  Chris Bolton, Pluto Puzzles
Crossnumber puzzles that test the solver's mathematical and logical powers.
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 Mathematical String Art  Richard and Donna Goldstein
Drawings with equations illustrate: Sliding Ladder, Parabola, Astroid (fourway sliding ladder), Ellipse, Hyperbola, and Octagon. The mathematics behind the equations requires analytic geometry and calculus.
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 The Mathematician in the Desert (Math Chat)  Frank Morgan, MAA Online
A mathematician, lost in the desert, hears a single toot from a train due west. He knows that the train goes at constant speed in a straight line, but he forgets in which direction. What direction should he walk?
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 The Mathematics of Falling Bombs  Harold Brochmann
Equations used to calculate trajectories of projectiles that take into account air resistance are described, with Pascal code for doing your own calculations.
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 Mathematiksoftware S I und SII (vorwiegend Shareware)  Monika Schwarze
Eine Zusammenstellung nützlicher Mathematikprogramme aus dem SharewareMarkt zur Aufarbeitung von Lernrückständen, Wiederholung und Stärkung der Sicherheit mathematischer Rechenroutinen. Vor allen die Programme für die SII dienen der Überprüfung gemachter
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 MathMol  NYU/ACF Scientific Visualization Laboratory
A starting point for those interested in molecular modeling, one of the fastest growing fields in science, from building and visualizing molecules to performing complex calculations on molecular systems. Using molecular modeling scientists will be better
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 Math Practice Programs  Alan Tubman
Written to supplement the materials available in the author's GED classroom, these DOS and Windows/NT Math Modules for Middle School and GED Preparation Classes comprise about a hundred drill programs ranging from simple operations with whole numbers
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 Mathsedge  Charles Edge
Negative numbers and basic equation balancing are presented in story scenarios with interactive exercises.
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 maths online  University of Vienna, Austria
A modern mathematics learning site on the Web: details of the project, persons and institutions participating, or project proposals (only in German). The Gallery consists of interactive multimedia learning units (Java applets), each of which includes
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 Math Stuff  Strategic Education Research Partnership
Makers of Tools for Sensemaking; the 5 × 8 card, an observation protocol; AlgebraByExample, sets of algebra problems that prompt students to analyze and explain errors in wrongly worked examples; and poster problems for sixth and seventh graders,
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 Math Tools Algebra  Math Forum
A community library of software tools for algebra students and their teachers. Algebra is one section in the Math Forum's Math Tools digital library of software for computers, calculators, PDAs, and other handheld devices, with related lesson plans, activities,
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 The Means  Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
Two similar and oftenconfused problems, the difference between them not immediately obvious, showing that depending on the circumstances, to determine the average speed of motion, computations based on the same basic formula (S = D/T) may have to follow
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 Merlyn  Hyland Software
Windows 3.x/95 software designed to display and manipulate equations. The program allows the user to create documents with text and equations and then manipulate and solve the equations created. Documents can be printed directly from Merlyn or copied
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 MistaMath  Roger Vanderlely
Tutorials, advice, worksheets, and narrated screencast videos for learning the basics, fractions, and algebra: adding integers, learning multiplication tables, factor trees, exponents, definition of exponents, adding exponents, subtracting exponents,
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 Mixture Problems  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about mixture problems, such as "How many liters of a 14 percent alcohol solution must be mixed with 20 liters of a 50 percent alcohol solution to get a 20 percent alcohol solution?"
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 Monkeys Dividing Coconuts  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about monkeys dividing coconuts, such as "A monkey divides a pile of coconuts into three, tosses the extra one, and takes his share...."
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 MyMaths  Alan Jackson
A feebased repository of lesson plans, including "boosters" specifically for UK Year 9, "Grade D to C," and higherlevel GCSE students. A subscription also provides for MyMaths' class management system. Take a tour of the resources and sample lesson
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 Net Investigations: Math  ELearning Team, Montgomery County (MD) Public Schools
Classroom webbased activities designed to support the Maryland State Department of Education Core Learning Goals and to build student reading and writing literacy, data literacy, and critical thinking skills, along with links to information about the
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 Neufeld Learning Systems, Inc.
Mathematics programs designed to facilitate learning in destreamed classes as well as in home study and distance learning. Interactive programs for: algebra, equations, exponents, fractions, geometry, and integers. Understanding exponents and algebra
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 NumberNut.com  Andrew Rader Studios
Introductions to shapes and colors, counting numbers, addition, subtraction, multiplication, division, order of operations, dates and times, number types, fractions, decimals, percents, estimation and rounding, ratios, money math, factors, graphs and
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 Online Math Calculator
This collection of free online calculators includes a scientific calculator that accepts inputs of entire matrices and equations, calculates derivatives, and plots functions. Onebutton unit conversion calculators convert between Celsius and Fahrenheit,
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 On This Day in Math  Pat Ballew
Mathematically significant events, births, deaths, and more, posted every calendar day. Ballew's blog reveals his thoughts on teaching math. His links and explanations written using The Geometer's Sketchpad include triangle medians; angle bisectors in
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 Pages Mathématiques  Lycée de Vienne SaintRomainEnGal (académie Grenoble)
Une série de cours de mathématiques: Géométrie du triangle; Transformations; Géométrie des cercles; Barycentres; Coniques et courbes; Solides; Statistiques; Fractales; Géométrie non euclidienne;
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 Professor Freedman's Math Help  Ellen Freedman
A mixture of sound, animation, humor and personal advice dealing with math anxiety for the adult student and community college learner. The site includes tutorial lessons, math assignments, study skills tips, information on learning styles, an online
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 The Published Data of Robert Munafo  Robert Munafo
Mathematical data includes MuEncy, The Encyclopedia of the Mandelbrot Set (History, Exploring, Area, Algorithms, Naming, etc), properties of specific numbers, such as 2.68542 . . . and 143, and very large numbers and ways to write them. Programs include
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 Pyramids and Algebra  David C. Miller
Four questions that explore the problem of creating a pyramid from a set of dominoes, dealing with the concepts of arithmetic series; derivation of square roots including a graphical method; scientific notation; exponential notation; quadratic equations;
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 Quia!  The Learning Group
Create your own Javaenabled quizzes, home pages, and learning games to play over the Internet: enter your material into a form, select a few options, and press a button. Games have been created and are available for browsing in mathematics, as well as:
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 Rectangle Pattern Challenges  Cynthia Lanius
Examine different stges of rectangle patterns, and describe what you must do to get from one to the next. Observe the designs looking for patterns. Use the symmetry of the design to help you count. Organize your information into a table. On square grid
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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,
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 Revision Universe  Arnav Rawat
Downloadable worksheets with questions on cumulative frequency; line graphs; mean, mode, median and range; pie charts; curved graphs; expanding brackets; graphical solution of equations; ratio; trial and improvement; area and perimeter; density, mass
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 River Crossing (Math Exploration Quilt)  Rik Littlefield; Hanford School
You want to cross a river to reach a point exactly opposite where you are currently standing. Explore this problem stepbystep, encountering the following basic ideas: 1) Pythagorean theorem; 2) time = distance / speed; 3) distance = time * speed; 4)
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 SAMMO  Sinclair, Nathalie; Murphy, Pat; et al.
Tools for exploring, creating, and doing mathematics. Sinclair's Java applets let middle school students explore appealing mathematical situations not normally included in school curricula while using fractions, ratios, decimal numbers, and other concepts
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 Simplifying Equations of the Form ax+b=cx+d (SMILE)  William F. Wagner, Hyde Park Career Academy
A lesson designed to teach students to solve equations of the form ax+b=cx+d; and to visualize the concept of "balancing" an equation. From the Algebra and Trigonometry section of a collection of almost 200 single concept lessons by the Science and Mathematics
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 Slope, SlopeIntercept, Standard Form  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about the slope of a line, and about the slopeintercept and standard forms of the equation of a line, such as "Why are the slopes of perpendicular lines negative reciprocals?" and "How would I draw the line y = (2/3)x
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 SoftSchools.com  Mani Gudavalli
Free math worksheets and interactive online games for practicing times tables, adding, subtracting, telling time, and more. Organized into prek, kindergarten, grades 12, grades 34, grade 5, measurement, and fun games.
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 Solve Equations by Successive Approximations in Your Spreadsheet  P. Russell
Approximation formulae to compute real and complex solutions of equations in a spreadsheet. The site includes an introduction to slope and derivatives.
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 Solve for n  NASA Lewis Learning Technologies Project
Solve for n: 3/n = 7/12. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Solve for y  NASA Lewis Learning Technologies Project
Solve the following for y: 12y  16 = 20y. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
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 Solving Equations  Don Cohen (The Mathman)
Make equations or open sentences true by guessing. Equations with X's on both sides; quadratic equations (11 ways to solve a quadratic equation); using balance pictures to solve equations. Sample problems with some answers from Chapter 8 of Don Cohen's
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 SolvingMathProblems
Type up your math questions for free help or see stepbystep instructions on solving problems that involve sets, equations, exponents, roots, or real numbers, such using the number line to compare two decimals or using direct comparison (equivalence)
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 Solving Quadratic Equations  Prakash Sukhu
Introduces the general form of the quadratic equation, and shows how to solve the quadratic equation step by step. Includes methods of factorisation and completing the square, questions to test your knowledge, and an online equation solver with which
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