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  All Sites - 1746 items found, showing 51 to 100

  1. Age Word Problems - Math Forum, a Classic Problem from the Ask Dr. Math FAQ
    A problem with one variable: Al's father is 45. He is 15 years older than twice Al's age. How old is Al? But what if we can't express all the information in the problem using only one variable? Sometimes we must use two variables to express the given ...more>>

  2. AGMath - Jason Batterson
    Along with puzzles and competition materials, provides Algebra and Geometry resources for advanced middle and high-school students. PDF worksheets, transparencies, and problem sets. Includes information on a summer camp for middle schoolers, preparing ...more>>

  3. The Air Force Collaboratory - U.S. Air Force
    The Collaboratory poses military challenges for students to tackle with a community of peers — and alongside real Airmen. Experience science, technology, engineering and mathematics (STEM) in action with projects such as "Search and Rescue 2.0," ...more>>

  4. Airplane Weight and World Population (Math Chat) - Frank Morgan; Christian Science Monitor
    J. Henry asks whether, on a sinking boat, it helps to make parakeets in the hold fly around. K. Reinecke asks whether an airplane gets lighter when the passengers eat a meal. What causes an airplane to get lighter during flight? ...more>>

  5. ALEKS - UC Regents and ALEKS Corporation
    An all-Java, Web-based one-on-one math tutor on the Internet that adapts continuously to the student, maintaining a map of each student's knowledge state. Try a free 48-hour demo. ...more>>

  6. Alexandru Suciu - Alexandru I. Suciu
    Teaching resources such as quizzes, homework assignments, Mathematica solutions, qualifying exams, and syllabi for undergraduate courses in integral calculus, honors calculus, and linear algebra; and for graduate courses in geometry and topology. Also, ...more>>

  7. Alex Bateman's Origami Page
    Models by Alex Bateman, Dino Andreozzi, Nick Robinson, and a duck by Edwin Corrie. Includes directions for folding some origami tessellations: square dance, honeycomb, linked circles. Spirals based on Voderberg's tilings, tessellations based on 6.3.6.3 ...more>>

  8. Algebra1: Graphing Linear Equations - Tim O'Brien
    A Master's Degree project designed to provide an understanding of the graphing of linear equations at the Algebra 1 level. Use Java applets to learn about ordered pairs, graphing equations, horizontal lines, vertical lines, slope, equations and slope, ...more>>

  9. Algebra 4 All
    A community of educators sharing resources and supporting one another in the practice of teaching algebra: lesson sharing, applets for students and teachers, discussion forum, blogs, media, and other content related to the functions-based approach to ...more>>

  10. Algebra and Trigonometry Web Site: Semester 1 (MQ5) - Gary Jaye, Department of Mathematics, Stuyvesant High School
    Algebra and trigonometry exams, dating back to 1995, given by a Stuyvesant High School mathematics teacher. Answers accompany all the tests, making them suitable for practice, review, or self-assessment. ...more>>

  11. Algebra Equation Worksheet Generator - David Craft
    A free Web-based tool for making customized algebra worksheets. It includes linear equations, systems of linear equations, and quadratics; the teacher can choose whether or not to include fractions and negatives. ...more>>

  12. Algebra Funsheets
    Algebra worksheets that integrate Algebra skills with sudoku, riddles, games, word finds, etc. Created by an algebra teacher. Browse topics covered, see sample worksheets, or subscribe for complete access. ...more>>

  13. Algebra - Fun with Calendars - Cynthia Lanius
    Take any calendar. Tell a friend to choose 4 days that form a square. If your friend tells you only the sum of the four days, you can tell her what the four days are. How does the puzzle work? Includes a extension page for designing your own puzzle, teachers ...more>>

  14. Algebraic Reasoning - MATHCOUNTS
    About algebraic reasoning - the ability to think logically about unknown quantities and the relations between them - and how to develop it, with examples. ...more>>

  15. Algebrainiac - Jessica Bogie
    Blog by a Chicagoland middle school geometry and history teacher with more than a decade of experience teaching algebra and pre-algebra. Posts, which date back to August, 2012, have included "#MSSunFun: Teaching Students How to Study for Assessments," ...more>>

  16. AlgebraLAB: Making Math and Science Connections - Mainland High School (Daytona Beach, FL), Georgia Southern University
    Created by mathematics and science teachers, AlgebraLAB is designed to focus on topics and skills from high school mathematics that students must be able to draw upon in their introductory college science courses. AlgebraLAB focuses on lessons and practice ...more>>

  17. Algebra Problem of the Week - Math Forum
    Algebra problems from a variety of sources, including textbooks, math contests, NCTM books, and puzzle books, and real-life situations, designed to reflect different levels of difficulty. The goal is to challenge students with non-routine problems and ...more>>

  18. Algebra (S.O.S. Mathematics) - Dept. of Mathematical Sciences, Univ. of Texas at El Paso
    An online course: learning units presented in worksheet format review the most important results, techniques and formulas in college and pre-college algebra. Sections include: Fractions; Units of Conversion; Complex Numbers; Quadratic Equations; Factorization ...more>>

  19. The Algebra Survival Kit - Josh Rappaport
    A kit that includes a 520-page handbook covering the main content areas of Algebra 1 in accordance with the NCTM Standards. Sections are tabbed, and pages are written in flash card format with questions on the front and answers on the back. Also, a poster, ...more>>

  20. Algebra Through Problem Solving - Hillman, Alexanderson
    A non-traditional Algebra text (high school and early college levels) placed on the Web by the Science Education Team at Los Alamos National Laboratory. Browse it on the Web or download a PDF version. Chapter headings include: The Pascal Triangle; The ...more>>

  21. Algebra Visualization Tools - Dennis Sullivan, Founder
    Slide the controllers of these Java tools to change the parameters of these five types of equations -- and see their effects on these graphs instantly: linear equations, absolute value, quadratic equations, vertex form, and rational equations. The applets ...more>>

  22. Algebra Worksheets - Ashley Nieves
    Download free PDFs of worksheets for pre-algebra, elementary algebra, algebra 1, algebra 2, intermediate algebra, and algebraic word problems. ...more>>

  23. Algorithms, Problems, Empirical Studies (APES) - Leeds and Strathclyde Universities, U.K.
    An informal group of researchers interested in the understanding of algorithms and problems through empirical studies. Brian Hayes' article Can't Get No Satisfaction, introduces phase transition research in satisfiability, outlining a problem near the ...more>>

  24. Alien Tiles Official Web Page - Pickover and Mckechnie
    A difficult puzzle developed by Dr. Cliff Pickover and Cam Mckechnie. (Some have called it Rubik's cube for the new millennium.) The rules are simple, but the patterns soon become very complex. The authors look forward to hearing from artists, puzzle ...more>>

  25. Alive Maths/Maths à Vivre - Nathalie Sinclair
    Hands-on, interactive "microworlds," in which students investigate patterns and relationships, pose questions, play with the variables, and solve problems: Play with Lulu on a grid; practice triangle reflections; play with fractions and decimal patterns ...more>>

  26. All About Addition (AAA Math) - John Banfill
    Interactive math exercises, lessons, and games covering addition facts and addition of whole numbers, decimals, and fractions. ...more>>

  27. All About Decimals (AAA Math) - John Banfill
    Interactive math exercises, lessons, and games to teach naming, adding, subtracting, multiplying, dividing, and converting decimals. ...more>>

  28. All About Division (AAA Math) - John Banfill
    Interactive math exercises, lessons, and games covering division facts and division of whole numbers, decimals, and fractions. ...more>>

  29. All About Fractions (AAA Math) - John Banfill
    Interactive math exercises, lessons, and games covering identifying, adding, subtracting, multiplying, dividing, and converting fractions. ...more>>

  30. All About Multiplication (AAA Math) - John Banfill
    Free, interactive math exercises, lessons, and games teaching multiplication tables, fact and multiplication of whole numbers, decimals, and fractions. ...more>>

  31. All About Percents (AAA Math) - John Banfill
    Interactive math exercises, lessons, and games covering finding, converting, and using percents. ...more>>

  32. All About Ratios - Cynthia Lanius
    Activities designed to help students understand the concept of ratios, using the Internet. Activities may also be printed out if computer access is not available. Students are expected to: use multiplication and division of whole numbers to solve problems, ...more>>

  33. All About Subtraction (AAA Math) - John Banfill
    Free, interactive math exercises, lessons, and games covering beginning subtraction facts and subtraction of whole numbers, decimals, and fractions. ...more>>

  34. All Elementary Mathematics - The Mathematical Web High School - Dr. Yury Berengard
    An online Web high mathematical school, featuring all of the curriculum of elementary mathematics. Arithmetic, algebra, geometry, trigonometry, functions and graphs, analysis. Theory and solving problems. Versions of examination tests. Online consulting. ...more>>

  35. All the King's Digits - Terry Trotter
    Challenge: Using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9, and the operations of +, -, x, , sqrt (square root), cbrt (cube root), ^ (raise to a power), and ! (factorial), along with grouping symbols, write expressions for the counting number 100. ...more>>

  36. Alternative Math Club
    Interactive practice with problems typically found in Japan: exams for junior high school math, high school math, and college math; and entrance exams for high shool and for university. Also available in Japanese. ...more>>

  37. Amby's Math Instruction, Reinforcement, and Learning Activities - Amby Duncan-Carr
    Step-by-step tutorials, with auto-scoring quizzes: order of operations, solving word problems, properties of numbers, prime numbers, prime factorization, greatest common factors (GCF), least common multiples (LCM), simplifying (reducing) fractions, changing ...more>>

  38. American Institute of Mathematics
    The American Institute of Mathematics (AIM) "expands the frontiers of mathematical knowledge through focused research projects, sponsored conferences, and the development of an on-line mathematics library." See, in particular, the nonprofit organization's ...more>>

  39. American Mathematics Competitions - Dr. Walter E. Mientka, Executive Director
    The American Mathematics Competitions (AMC) seek to increase interest in mathematics and to develop problem solving ability through a series of competitions for junior/middle (grades 8 and below) and senior high school students (grades 9-12). They include ...more>>

  40. American Regions Math League (ARML)
    An annual national mathematics competition. High school students form teams of 15 to represent their city, state, county or school and compete against the best in the from the United States and Canada. The event consists of Team, Power, Individual and ...more>>

  41. American Scholastic Association
    Home of the American Scholastic Mathematics Association (ASMA) Annual Math Contest for junior, intermediate, and senior high schools. Read about the contest design and general information; see a list of the year's high performers and their school affiliations; ...more>>

  42. The Analemma - Bob Urschel, Valparaiso, IN
    The figure-8 path that the sun makes in the sky is called the analemma. This site explores the paths of the sun and the earth, with investigations into the effects and the math of their elliptical orbits and earth's tilt, and a summation. ...more>>

  43. Analog Gadgets - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    Java simulations of analog gadgets. Includes an analog device simulation for drawing ellipses, a Peaucellier Linkage simulation, an angle trisection demonstration, a demonstration/essay on cycloids, and applets on geoboards (with a proof of Pick's Theorem) ...more>>

  44. Analysis of Algorithms - Flajolet, Prodinger
    A research site with papers to download, links to researchers, a newsletter, etc. Analysis of Algorithms (AofA) is a field in computer science whose overall goal is an understanding of the complexity of algorithms. While much research is devoted to worst-case ...more>>

  45. Analysis WebNotes - John Lindsay Orr; Dept. of Mathematics & Statistics, Univ. of Nebraska-Lincoln
    An extensive collection of analysis resources, including class notes, discussion boards, and homework assignments, with questions and answers from analysis labs, and techniques of proofs. There are interactive demonstrations of several central themes ...more>>

  46. Analyzing Numeric and Geometric Patterns of Paper Pool (i-Math Investigations) - Illuminations; National Council of Teachers of Mathematics (NCTM)
    An online, interactive, multimedia math investigation. The interactive paper pool game in this i-Math investigation provides an opportunity for students to further develop their understanding of ratio, proportion and least common multiple. Students develop ...more>>

  47. Andrew M.H. Alexander
    JavaScript by Alexander includes "the gear seer," which shows not just bike gear ratios but gear inches and meters development. Input wheel and tire size to see speed at a given cadence. This bicycle drivetrain visualizer further compares different drivetrains, ...more>>

  48. Angela Andrews - District 86
    Files shared during a Common Core State Standards (CCSS) Mathematics workshop by Andrews, host of the DuPage Children's Museum's Aunty Math site: Comparing Ordering Sequencing and Rounding, Dangers of Touch Math, Emergent Learner Activities, Experiences ...more>>

  49. Animated Proof of the Pythagorean Theorem - Mark D. Meyerson; Mathematics Dept., U.S. Naval Academy
    Starting with a right triangle and squares on each side, the middle size square is cut into congruent quadrilaterals (the cuts through the center and parallel to the sides of the biggest square). Then the quadrilaterals are hinged and rotated and shifted ...more>>

  50. Ann McCallum Books - Ann McCallum
    Lessons and puzzles to extend the math fairytales and history/mystery math project books by McCallum, author of The Secret Life of Math, Rabbits, Rabbits Everywhere: A Fibonacci Sequence, and Eat Your Math Homework: Recipes for Hungry Minds. McCallum's ...more>>


 
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