 Significant Digits  R. H. Logan, Instructor of Chemistry, El Centro College
An explanation of significant digits, with sections on: Measured Values; Computed Values; Rules for Determining the Number of Significant Digits In Numbers With Indicated Decimals; Significant Digits In Numbers Not Having an Indicated Decimal; Significant
...more>>
 Significant Figures and Rounding Rules  Christopher Mulliss
A site dedicated to the discussion of issues relating to the proper teaching of
significant figures and rounding rules in high school and college science courses. Includes a link to a detailed study "On the Standard Rounding Rule for Multiplication and
...more>>
 Skill in Algebra  Lawrence Spector
An introduction to algebra, with questions that, when moused over, reveal their answers: algebraic expressions, signed numbers, adding and subtracting signed numbers, multiplying and dividing signed numbers, reciprocals and zero, removing grouping symbols,
...more>>
 Skillswise  BBC Online
Factsheets, worksheets, quizzes, and Flash games on whole numbers; measures, shape and space; fractions, decimals and percentages; and handling data. Resources for tutors include lesson plans, printable tracking sheets, a newsletter, and an expert column
...more>>
 SlideARound Math Manipulatives  Jim Franklin
These manipulatives feature movable, interchangeable slides for learning how to round whole numbers, decimals, and money; to identify equivalent fractions; to calculate elapsed time, and more. Manufactured in the U.S. of recycled plastic with steel reinforcement,
...more>>
 SliderMath Equations  WhiteAcres Media
Windows software designed to introduce linear equations and basic algebra, bringing together many of the requirements of the grades 710 math curriculum or providing a review of fundamentals for adults. Levels 12 include addition, subtraction, multiplication,
...more>>
 Social and Historical Aspects of Mathematics  Thompson, Wilkinson; Univ. of Wolverhampton (UK)
Math history: the development of counting systems and notations (includes Egyptian, Sumerian, Babylonian, and HinduArabic numerals); of notation and concepts in algebra; Changing systems of geometry from Euclid to Klein's programme (includes New Geometries,
...more>>
 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.
...more>>
 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.
...more>>
 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)
...more>>
 Spy Guys: Online Elementary Mathematics Resource  Mathematics 6  LearnAlberta.ca
This Flash 5 site includes lessons (Decimals; Improper Fractions and Mixed Numbers; Ratio; Percent; Solving Problems with Decimals; Understanding Integers; Factors, Multiples, and Prime Factorization; Summarizing and Extending Patterns; Rounding Numbers;
...more>>
 Statistics of Mars (candy) (SMILE)  Wilhelm L. Lilly, Kenwood Academy
A lesson for designed to use a realistic situation as a means of collecting data (on M&Ms or other candy); to teach students to group, display, and interpret information by sorting and arranging data to construct frequency graphs; and to display and interpret
...more>>
 SuperKids Math Worksheet Creator  SuperKids Educational Software Review
Make your own math drill worksheets: select the type of problem (addition, subtractions, multiplication, division, fractions, greater/less than), the maximum and minimum numbers to be used in the problems, click on the button, and a worksheet will be
...more>>
 Super Math World
A math sandbox where students grades 28 battle number monsters, conquer castles, and discover unique animals and machines to learn the number line, addition, fractions, and algebraic thinking.
...more>>
 Suresh Lala's Math Quizzes  Suresh M. Lala
This quiz blog contains questions in algebra, geometry and arithmetic, to test and reinforce math skills and applications.
...more>>
 Susan C. Levine  The University of Chicago
Biography, courses, and more about Levine, the codirector of the Center for Early Childhood Research. Her freely downloadable articles include "Early puzzle play: A predictor of preschoolers' mental rotation skill"; "The role of parents and teachers
...more>>
 syzygymatrix: solutions for small problems in the classroom  Jeff LeMieux
Generate cryptograms, division worksheets, fraction worksheets, and proportion problems. Select the length of dividend, denominators specified by the Washington State Standards for Grade 7, number of problems, and more. The worksheet maker prints solutions.
...more>>
 Taking 20 Percent Off  NASA Lewis Learning Technologies Project
If a $900 computer is on sale for 20 percent off, what is the sale price? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
...more>>
 Teaching Pets  Andy Davis
See the math resources section of this collection of worksheets and related resources for the primary and middle grades teachers.
...more>>
 TeachingTools.com  TeachingTools
Create math practice worksheets: multiplication tables with exercises, whole numbers, decimal and fraction operations, matching exercises for math terms, geometry terms, and 'story problems' clue words, an identifying geometry shapes exercise, and an
...more>>
 Teach R Kids Math  Manri Systems
Math for elementary school children: online and offline math assignments and worksheets, ranging from simple counting for preschoolers to division and multiplication problems, and calendar and clock exercises for learning to tell time.
...more>>
 TestPrep Mathematics Table of Contents  Pamela Cohen, Walter Antoniotti
Free practice problems worksheets in whole numbers; fractions; decimals, ratios, rates, proportions, and percentages; exponents, roots, algebra, and geometry; using formulas to solve problems; multistep word problems; and graphs, signed numbers, statistics,
...more>>
 Tetrakys
Interlooping equilateral, isosceles, and scalene triangles for building two and threedimensional geometric objects, exploring area and volume, and visualizing fractions and arithmetic operations. The foam composition of these colorful manipulatives
...more>>
 ThatQuiz  Andrew Lyczak
Practice integer and fraction arithmetic, inequalities, averages, exponents, factors, algebra, calculus, shapes, probability, place value, graphs, sets, trigonometry, and more. The site times and scores performance. Register for online administration
...more>>
 themathlab.com
Playful, interactive studentmade problems, games, drills, lesson ideas, tools, "magic," and more. Lessons include practice problems which, when solved correctly, generate passwords that grant access to "treasure rooms." Lesson ideas include Algebachee
...more>>
 TheMathPage: Skill in Arithmetic  Lawrence Spector; Borough of Manhattan Community College, CUNY
A complete course in arithmetic: reading and writing whole numbers and decimals; addition, subtraction, multiplication, and division. Features the verbal, nonalgebraic theory of ratio and proportion, leading to fractions and percent. The usual written
...more>>
 Title III MSS Final Performance Report  Dana Lee Ling
Dana Lee Ling is a mathematics and science software specialist at the College of MicronesiaFSM. Articles document the College's attempts to increase the success of prealgebra and algebra students through "conceptual" and technologybased approaches.
...more>>
 Tom Snyder Productions
Software for teachers who love to teach. Company information, free demos, catalog; free CD sampler; product descriptions, online classroom activities, professional development (including public seminars and onsite workshops), Technology Newsletter, and
...more>>
 Tony's Tiger BITES (SMILE)  Maudestine McLeary, John Hope School
A lesson designed to teach students to make equivalent fractions, follow
directions and complete a recipe for marshmallowcereal bars. From the "Miscellaneous" section of a collection of almost 200 single concept lessons by the Science and Mathematics
...more>>
 Tools for Building Math Concepts  the Math Forum @ Drexel
An online workshop for exploring how technology can help students develop fundamental concepts of multiplication, fractions, division and area through the process of generating data and examining patterns. New cohorts are started as they fill, so register
...more>>
 Tools for Understanding  John Woodward; University of Puget Sound
A resource guide for extending mathematical understanding in secondary schools, for educators who teach mathematics and are interested in integrating common
technologies into their daily instruction. Onsite strands (Math Concepts with lessons related
...more>>
 Topics in Arithmetic and Elementary Mathematics  E. Lee Lady; University of Hawaii
Materials used in a university course for prospective elementary school teachers, to teach them how to be interested in mathematics. Materials are in PDF and DVI, and include: representing numbers in other bases, divisibility tests, periodic decimal expansions,
...more>>
 Tous pour les mathématiques au collège  David Monbru
Courses mathématiques de niveaux sixième, cinquième, quatrième, et troisième. Exercises avec autovalidation incluent calculs avec ou sans parenthèses; calculs de fractions; opérations sur les nombres relatifs;
...more>>
 Transparent Media  Transparent Media, Inc.
Commercial software company offering shareware software for fraction exploration, as well as other free downloads and commercial products.
...more>>
 Tricks for Learning Math  Math Forum, Teacher2Teacher FAQ
Answers to a frequently asked question: What are some math tricks and mnemonic devices I can use with my students?
...more>>
 TutorIT Math Skill Tutors  Intelligent Micro Systems, Ltd's (DBA Scandura)
Adaptive tutorials that identify what a math student does and does not know  and then provide the information needed by that student to master the skills taught. Packages include basic facts (addition, subtraction, multiplication, division), algorithms
...more>>
 Ululab
Makers of Slice Fractions, a wordless puzzle through ice and lava to clear a path for a woolly mammoth. Also available in French.
...more>>
 Understanding Fractions (SMILE)  Florida Bradley, Hartigan School
A lesson designed to teach students to recognize and understand equal fractions in relation to a whole unit. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning Enhancement.
...more>>
 Understanding Mathematics: From Counting to Calculus  Keith Kressin, K Squared Publishing, Inc.
A comprehensive book for anyone who desires clear and concise math explanations, written for a nontechnical audience to cover the math fundamentals normally taught from first grade through college (for more information, see the Table of Contents).
...more>>
 UVM High School Math Contest  Larry Kost, University of Vermont College of Engineering & Mathematics
Tests, with solutions, from contests dating back to the fortyfifth annual high school prize examination, of 2002. The tests consist of about forty questions encompassing number theory, algebra, and geometry. Also, lists of statewide and regional winners,
...more>>
 The Verbal Math Lesson  Michael Levin, Charan Langton
Books for teaching math topics verbally through word problemsno worksheets, no writing. The approach is intended to be fun for children and to develop mental short cuts.
...more>>
 Villainy, Inc.: Thwarting World Supremacy through Mathematics  Maryland Public Television
To thwart the evil Dr. Wick, ID, middle grade students take on the role of an advisor to his company, Villainy, Inc.  while secretly using their math skills to make sure Wick never succeeds. As undercover double agents for the AntiVillainy Unit (the
...more>>
 The Virtual Math Lab  Kim Peppard and Jennifer Puckett, West Texas A&M University (WTAMU)
Online tutorials for beginning, intermediate, and college students of basic and linear algebra, or for those preparing for the math part of the Texas Academic Skills Program (TASP) test. Every tutorial has definitions, formulas, illustrations, and stepbystep
...more>>
 Visual Fractions  Richard E. Rand
A site with 19 Java programs that provide instruction and practice in identifying, renaming, adding, subtracting, multiplying, and dividing fractions. Number lines are drawn to demonstrate each example. Programs include: Identify Fractions; Identify Mixed
...more>>
 Visual Math Learning: An interactive multimedia tutorial  Wayne Allen Bateman
An online tutorial, intended to teach students basic math concepts using interactive multimedia for aid in visualization. Proceed through the text (more sections are planned), or work with the individual exercises separately.
...more>>
 WebCalc  Blaine Hilton
A collection of free, Webbased calculators that solve complete equations. Many of the calculators allow the user to solve for any of the variables. Subjects include algebra, geometry, trigonometry, fractions, complex numbers, and miscellaneous math;
...more>>
 The Web Classroom  Eagle Eye Web Masters
An educational site from Australia that provides lessons and tests to help students understand concepts in Mathematics and build language skills in English. Elementary and Middle School math pages offer Fun with Fractions, "What Number," Times Tables,
...more>>
 WebMath: Instant Solutions to Math Problems
Instant solutions to math problems: look over the various links on the home page until you find a topic that seems to describe the math problem you're working on. Select a link then another and you will be presented with a blank form into which you can
...more>>
 What's Sophisticated about Elementary Mathematics?  HungHsi Wu
"The characteristics of coherence, precision, and reasoning are not just niceties; they are a prerequisite to making school mathematics learnable." In this American Educator article originally published Fall, 2009, the author goes on to unpack whole number
...more>>
 Which Problem Equals 25 Percent?  NASA Lewis Learning Technologies Project
Which problem has an answer of 25 percent? 1) 10 is what percent of 50? 2) 25 is what percent of 75? 3) 25 is what percent of 125? 4) 20 is what percent of 80? A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test.
...more>>
 
