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 Original Lesson Plans - Mathematics - Thirteen/WNET New York Original Web-based activities developed by Thirteen Ed Online Master Teachers. Each lesson consists of an overview with learning objectives, procedures for teachers, and "organizers" for students -- hand-outs, bibliographies, and other materials. Math ...more>> Paper Toss Shootout (SMILE) - Edwina R. Justice, Gunsaulus Scholastic Academy A lesson for grade 8 designed to teach students to use class data to calculate percentages; participate in a group activity; relate this activity to NBA (National Basketball Association) stats; and calculate select percentages for NBA Finals data. From ...more>> Pathfinder Services, Inc. An Indiana-based nonprofit which, among other projects, creates mathematics teaching aids, including Recycled Math Manipulatives, Fraction Islands, Pattern Blocks Plus, and Polyhedra Plus. Full descriptions and ordering information are provided. They ...more>> Percentage Calculator - Chris Misenheimer JavaScript percentage calculator; percentage calculator in common phrases; percent calculator; add or subtract a percentage (tips, percent off, sales price, tax); percent change; percent error; and percent difference. ...more>> Percentage Change Calculator - Vedat Gezgen Calculate percentage increases, decreases, and more by entering quantities into boxes and then hitting the "result" button. ...more>> Percentage Increase/Decrease - Math Forum, Ask Dr. Math Common Question A selection of answers to questions about percentage increase and decrease, such as "Why doesn't a decrease of 15%, followed by an increase of 15%, get you back to where you started?" and "If I increase an initial amount by P percent, by what percentage ...more>> Percentages (SMILE) - Emma Taylor, Douglass Math and Science Academy A lesson for grades 5-6 designed to introduce students to percents; demonstrate how to change fractions to decimals; and show how to change decimals to percents. From the Arithmetic section of a collection of almost 200 single concept lessons by the Science ...more>> Percent - David Giordano For Win95/98/ME/NT4/2000/XP, or for Pocket PC/Windows CE: calculate the percentage of any number out of any number. Free trial download; shareware program. ...more>> Percents: (An application to real life problems) (SMILE) - Lucille H. Chambers, Trumbull School A lesson for grade 7 designed to teach students to find a percent of a number by multiplying by a fraction or a decimal equivalent to that percent. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the ...more>> Percents (SMILE) - Albert Michael, Robert Fulton Elementary School A lesson for grades 3-5 designed to teach students to rename ratios, decimals, and fractions as percents; change ratios into percents; weigh items on a scale; and multiply decimals. From the Practical and Applied Math section of a collection of almost ...more>> Photo-Math - Martha Jean Barrett; Kodak A project where students created their own mathematical board games for use with younger or less advanced students, for grades 4-8. Working in teams, advanced students covered seven math categories: whole numbers, decimals, fractions, measurement, geometry, ...more>> Place Value - Math Forum, Teacher2Teacher FAQ Answers to a frequently asked question: How do I provide my students with practice on their place value skills? ...more>> PlaneMath - InfoUse, in cooperation with NASA Materials for elementary school students about math and aeronautics, designed to stimulate and motivate students with physical disabilities in grades 4-7 to pursue aeronautics-related careers via the development and delivery of accessible math education ...more>> Play Ball (SMILE) - Roslyn N. Matthews, South Shore High School A baseball lesson designed to teach students to compute batting and earned run averages; given general dimensions of the playing field and some equipment, change the units to the metric system; find the diagonal distance from 3rd base to 1st base; and ...more>> Polymath Love - Gary Smith Free and low-cost Macintosh software for middle school mathematics: over 200 programs written by a classroom teacher. Program descriptions and some free programs are available to download from the Web, or order the CD-ROM for \$100 U.S., which includes ...more>> Pre-Algebra (Middle School Math) - Homeworkhelp.com, Inc. Free pre-algebra lessons on: types of numbers (numbers and their properties, negative numbers); fractions (reducing, multiplying, dividing, adding and subtracting, mixed numbers, comparing fractions, ratios & proportions, percentages, decimals, scientific ...more>> Printables: Student Handouts - The Learning Network PDF format printable handouts. Browse by grade or subject; check out the featured handouts; or search for a topic of your choice. Other resources also available through the Lesson Planning Center links on the site. ...more>> Problem Solving Using Percentages (SMILE) - Thelma A. Rex, Rosa L. Parks Middle School A lesson designed to teach students to recognize three basic percentage problems: using M&Ms to find what percent one number is of another; find a percentage of a number; and find a number when the percent is known. From the Practical and Applied Math ...more>> 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 on-line ...more>> The Professor in a Syllabus: Elementary Algebra - Vision Alpha Products Self-instructional elementary algebra and arithmetic. Learn at your own pace from dozens of brief, animated, independent, self-teaching modules. Watch videos of TPIAS in action for distance learning, and its demo, before subscribing. Also available at ...more>> Prof. McFarland's Help Center for Mathematics Students - Thomas McFarland, Department of Mathematical and Computer Sciences, University of Wisconsin System McFarland's handouts for courses such as Finite Mathematics, Basic Algebra, Calculus, and The Logic of Chess. Interactive (JavaScript) self-tests or explorations cover integer and fractional exponents; factoring; reducing, adding, multiplying, and dividing ...more>> Project IMPULS - Tokyo Gakugei University Project IMPULS (Project for International Math-teacher Professionalization Using Lesson Study) offers opportunities and ideas for mathematics teachers using lesson study. The library includes lesson study about positive and negative numbers; division; ...more>> Project Interactivate - Shodor Education Foundation, Inc. Interactive middle school lessons on number and operations, geometry and measurement, functions and algebra, and probability and statistics. They feature: online activities (illustrative Java applets including: Venn diagrams; clock arithmetic; Pythagorean ...more>> ProTeacher - ProTeacher A teacher-created resource site for elementary schoolteachers, offering lessons and materials, education news, links for finding schools, news and weather, and a reference desk. An index of links to information on various academic subjects includes Mathematics ...more>> Purplemath - Your Algebra Resource - Elizabeth Stapel Algebra modules provide lessons, practical tips, hints, worked examples, and point out common mistakes in basic triangle length (trigonometry) values, calculators (what model to buy), canceling units, domain and range, exponents, factoring quadratics, ...more>> Putting the Pieces Together (Making a Fractional Quilt) (SMILE) - Demetria E. McKnight, Bateman Elementary School An lesson designed to motivate students to develop a sense of equivalent fractions; explore addition of fractions with unlike denominators; and learn to divide a whole number into specified equal parts. From the Arithmetic section of a collection of almost ...more>> Quia! - The Learning Group Create your own Java-enabled 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: ...more>> Quiz Me - D. Kell and Mercer County Community College Interactive quizzes constructed using software provided by Addison Wesley Longman Publishers. Auto-scoring, multiple choice self-tests on whole numbers (place value, operations, applications, rounding, roots and order of operations); fractions (equivalencies, ...more>> The Rational Mean - Domingo Gomez Morin Blog by a Venezuelan engineer. See, in particular, Morin's arithmonic mean and other original methods for approximating the roots of algebraic equations. ...more>> The Rational Number Project - Regents of the University of Minnesota Lessons, modules, and entire curricula from an ongoing research project that advocates teaching fractions using a model that emphasizes multiple representations and connections among different representations. The Rational Number Project (RNP) has been ...more>> Ratio, Percent & Proportions (SMILE) - Rosalyn Winston, Walt Disney Magnet School A lesson on fractions as percents, designed to teach 7th graders to find the percent of a number; find percents using proportions; calculate the weight of objects (beads) in grams given specific percents; and verify the weight of objects (beads) on a ...more>> Ratios and Proportions (SMILE) - Mamie P. Scott, Edward Coles Elementary School A 7th grade lesson designed to review ratios and proportions and to teach students to determine the relation between individual height and reach; find equal ratios; solve word problems using ratios by trial and error; and practice finding pictorial expressions ...more>> Rebecca Newburn Links to this California teacher's Math 7 blog, and to her professional blog, a "fusion of best teaching practices, integrating technology and increasing compassion in and outside of the classroom." See also Newburn's select compilation of explanations, ...more>> Reducing/Simplifying Fractions - Math Forum, Ask Dr. Math Common Question A selection of answers to questions about reducing and simplifying fractions, such as "How do you know when a fraction is in its simplest form?" and "What is the easiest method of reducing fractions to lowest terms?" and "Should fractions always be reduced ...more>> The Remarkable Number 1/89 - Robert Miner An overview of the Fibonacci series, interesting facts about it, and a sketch of the proof of why the decimal expansion of the fraction 1/89 contains all the Fibonacci numbers expressed as a sequence of decimal fractions, a fact discovered by Cody Birsner. ...more>> Rich Maths Tasks to Engage - East Midlands Maths Network These teacher-made rich maths tasks in number, algebra, shape, and data handling emerged from a collaborative project run by Jon Stratford, Lead Practitioner for the Specialist Schools and Academies Trust (SSAT): arrangements, clock face, chocolate dilemma, ...more>> Rick's Math Web - Rick Schauer Math curriculum geared toward special education learners with math disabilities and for learners preparing for the State of Minnesota's 8th Grade Basic Skills Test, with over 4,000 practice problems and step-by-step solutions for learners pre-kindergarten ...more>> The Right-Angle Triangle Solver - Steve Ayers Input two sides of a right triangle, or one of its sides and one of its angles, and this site calculates the remaining sidelengths and angles. Also, convert decimals and fractions, and imperial and metric units of measure. Requires JavaScript. ...more>> Rolf's Calculator - Rolf Howarth A fully featured JavaScript scientific calculator that includes trig functions and logarithms, factorials, 12 levels of parentheses, logs to base 2, bitwise logical operators, hex, octal, binary and ascii display. ...more>> Rolling and Learning® with tri-square dice - Creative Enterprises, Inc. A book describing math games to be played with 14-sided dice, suitable for grades K-6 or 8. Order form available on the web. ...more>> Rounding a Decimal - NASA Lewis Learning Technologies Project Round 12.5861 to the nearest hundredth. A detailed answer is provided. From NASA's 9th Grade Math Proficiency Test. ...more>> Sales Tax and Discounts (SMILE) - Denise Folk, Richard E. Byrd Academy A lesson for grades 6-8 designed to teach students that sales tax is an additional charge on products purchased; how to compute sales tax on different items using register tapes; that discount means to take a certain amount off the price of something; ...more>> Sales Tax (SMILE) - Allen Batts, Jr., Jane A. Neil School A lesson for grades 6-8 designed to teach students to understand and calculate sales tax on merchandise and food. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative ...more>> 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 ...more>> Scholastic Online Activities - Math - Scholastic, Inc. Lessons and activities for grades PreK-3 or 4-8, with sources listed: Kids USA Survey; Max's Math Adventures of interactive whiteboard-ready rhyming math activities, audio support, and printables; Math Maven's Mysteries; I Spy Oops Hoops; Math Hunt; and ...more>> SCORE! Educational Centers An educational and entertaining site for parents and educators, with helpful articles on motivating and communicating with K-8 kids, questions and answers, hands-on activities, interactive message boards, and a store. ...more>> SeeMath.com - Tal Greengard Free animations of mathematical concepts, with explanations: whole numbers, negative numbers, fractions, cups and counters, operations, carrying tens using base ten blocks, and more. ...more>> Self-Instructional Mathematics Tutorials - Center for Support of Teaching and Learning, Syracuse University Self-instructional material for university students of chemistry, economics, political science and/or psychology. Math topics include fractions, decimals, percents, ratios and proportions, tables, bar graphs, circle graphs, the visual display of information, ...more>> Share Six Cookies with Seven People - Don Cohen (The Mathman) Young children (ages 6-7) discover fractions by dividing cookies - 3 cookies with 2 people, 2 cookies with 3 people, etc.. A sample problem with answers from Chapter 2 of Don Cohen's worksheet book. ...more>> Shelley's Mathematics Articles - Shelley Walsh "Little self-contained articles [that] write up more than you can normally fit in a lecture, and ... hopefully put together enough explanation so that there's something for a great variety of different ways of thinking." Organized into Geometry; Analytic ...more>>
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