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  All Sites - 296 items found, showing 201 to 250

  1. Perplexus - flooble
    A large archive of mathematically inclined puzzles and problems displayed by category. Includes logic, number theory, geometry, probability and other problems. All are rated by difficulty and quality and discussed in depth by visitors. Most with solutions. ...more>>

  2. Peter Ash's Thoughts on Math and Education - Peter Ash
    Musings on doing and teaching mathematics, book reviews, and math problems both elementary and advanced from the creator of Cambridge Math Learning. Blog posts, which date back to August of 2007, include "Very Proper Fractions"; "Physical Models for Non-Euclidean ...more>>

  3. Piecewise Functions - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about piecewise functions, such as how to graph them and how to determine the values of parameters that make a particular piecewise function continuous and differentiable. ...more>>

  4. Place Value - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about place value, such as how to write a decimal from words such as hundreds and hundredths. ...more>>

  5. Place-Value: Problem-Solving and Written Assessment Using Digit-Correspondence Tasks - Ross, Sunflower
    This study examined the effects of researcher-developed lessons on students' understanding of two- and three-digit numeration. Digit-correspondence tasks, often used for individual interview assessment of place value understanding, were adapted to be ...more>>

  6. Poetry and Mathematics - Math Forum, Ask Dr. Math Common Question
    A selection of sites with mathematical poetry, including limericks. ...more>>

  7. Poker Probabilities - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about poker probabilities, such as "In a standard deck of cards, how many different ways are there to get a straight, a flush, a straight flush, one pair, or two pairs?" ...more>>

  8. Polygon Diagonals - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about polygon diagonals, such as "How many diagonals can be drawn for a polygon with n sides?" ...more>>

  9. Positive/Negative Integer Rules - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about positive and negative integer rules, such as "When do two negative numbers equal a positive?" ...more>>

  10. Primality Testing - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about primality testing, from "How does the Sieve of Eratosthenes work?" to "Is there an algorithm to determine whether a very large number is prime?" ...more>>

  11. Problem Solving in Mathematics - Jim Wilson; Univ. of Georgia
    Problems in algebra, geometry, conversion, cryptarithm, "mean," trigonometry, and a mixture of all, many with comments and solutions, from a course given in the Dept. of Mathematics Education at the University of Georgia. The site also provides links ...more>>

  12. Problem Solving Island - Samuel A. Rebelsky
    Challenging open-ended word problems on the topics of games, such as Blockade, Finger Multiplication, and The Word Pyramid; puzzles such as Error Correction, Error Detection, The Fake Coin, Friday the 13th, and Leap Birthdays; and problems based on figures, ...more>>

  13. Problem Solving - It Has to Begin with Noticing and Wondering - Hogan, Marie; and Alejandre, Suzanne
    Middle school teacher Marie Hogan observed as the Forum's Director of Professional Development modeled a full cycle of the Problems of the Week (PoWs) in Hogan's West Covina (CA) classroom. This co-authored article about their experience around the PoW ...more>>

  14. Problem Solving - Jenine Newman
    See how one fifth grade class explains different ways to solve word problems. Their strategies include making a table or chart; drawing a picture; acting it out; looking for a pattern; and working backwards. With examples and hand-drawn illustrations. ...more>>

  15. Problem Solving (SMILE) - Marilyn McCree, District 12
    A lesson that uses a grocery store in the classroom to teach students to solve word problems using addition, subtraction, multiplication or division. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the ...more>>

  16. Problem Solving (SMILE) - Patricia Rogers, Edward Hartigan School
    A lesson designed to demonstrate some common ways problems can be solved; to list some basic steps in problem solving; and to suggest some useful strategies for solving word problems. From the Practical and Applied Math section of a collection of almost ...more>>

  17. Problem-Solving: Steps and Strategies (SMILE) - Sarah G. Barrett, Mars Hill School
    A lesson designed to teach and reinforce strategies for problem-solving. Sample problems are included. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics Initiative for Learning ...more>>

  18. Problem Solving Strategies - Finlay McQuade, Boğaziçi University (Turkey)
    Strategies for solving problems, each illustrated with sample math challenges and worked solutions: draw a diagram; make a list; guess and check; divide and conquer; look for a pattern; start at the end. Also available in Turkish. ...more>>

  19. Productive Struggle
    Group blog, with most contributions by secondary math and science teachers, that aims to "push teachers to learn in the same way that we push our students to learn" and "work together to make our struggles productive." Posts, which date back to March, ...more>>

  20. 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>>

  21. 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>>

  22. Puzzlemaker - Discovery Education
    A puzzle generation tool for teachers, students and parents. Create and print customized puzzles, including math squares and number blocks, online, or buy a CD with editing tools and other extras. ...more>>

  23. Pythagorean Theorem Proofs - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about proofs of the Pythagorean Theorem, such as "Do you know the exact number of proofs of the Pythagorean Theorem in existence?" and "Why doesn't the Pythagorean theorem work for triangles other than right triangles?" ...more>>

  24. Quadratic Equations - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about quadratic equations, such as "When would you solve a quadratic equation in real life?" and "Why FOIL?" ...more>>

  25. Quadrilateral Classification - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about how to classify quadrilaterals, such as "Are squares rectangles? Are rectangles squares? ...more>>

  26. 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>>

  27. Ratio - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about ratios, such as the difference between "rate" and "ratio" and "fraction"; "On a map, the scale states that 3 inches represent 125 miles...."; and "How can I write a ratio in three different ways?" ...more>>

  28. Reading a Protractor or a Ruler - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about reading a protractor or a ruler, such as "What do the little lines on a ruler stand for?" ...more>>

  29. Recommended Mathematics Literature - International Mathematics Olympiad (IMO)
    A page of readings recommended by the International Mathematics Olympiad in association with Amazon.com Books. Major sections include: Problem Solving; Collections of Mathematical (Competition) Problems; Anthologies and Surveys; Number Theory; Analysis; ...more>>

  30. 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>>

  31. Remainder/Divisibility Puzzles - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about remainder and divisibility puzzles, such as "Write 1,000,000,000 as the product of two numbers, neither of which contains any zeros" and "Arrange the digits 0 to 9 such that the number formed by the first digit ...more>>

  32. 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, ...more>>

  33. 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>>

  34. Rich Starting Points for A-Level Core Mathematics - Jonny Griffiths
    Download PDF task files of 40 open-ended investigative activities for the A Level Pure Mathematics classroom: basic algebra, coordinate geometry, polynomials, curve sketching, uncertainty and inequalities, indices and surds, sequences and series, differentiation, ...more>>

  35. Rolling Dice - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about rolling dice, cube and octahedral, fair and biased, once and many times. ...more>>

  36. Roman Numerals - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about Roman numerals, such as how they represented decimals and fractions; with memory aids for remembering what letter represents what value. ...more>>

  37. Rounding Numbers - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about rounding whole numbers. decimals, and fractions. ...more>>

  38. 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>>

  39. Scientific Notation - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about scientific notation, using it to write very large or very small numbers, and adding, multiplying, and dividing with the notation. ...more>>

  40. Semple Math - Stevenson Learning Skills
    Do you count on your fingers to add and subtract? Using a sequence of images, songs, rhymes, stories, associational clues, and other mnemonics to teach and build learning, Semple Math is a mathematics program for beginning, high-risk and/or remedial students ...more>>

  41. Sheppard Software
    Software for SAT, GRE, math, and more, including: Algebra - One On One (covers 21 functions), License Plate Math (puzzles for ages 9 and up), Brain Builder - Math Edition (over 500 million puzzles), Math Function Mania (a multimedia game for grades 7-12 ...more>>

  42. Significant Figures/Digits - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about scientific figures and scientific digits, such as "When are zeros significant and when are they not significant?" ...more>>

  43. Sine of the Times: Dividing the Universe by Zero - Colin Graham
    A collection of thoughts on math by an "eternal student" with an "eclectic educational background." Posts, which date back to June, 2010, have included "Creative ways of integrating more water in the body," "My first online manipulative -- virtual origami," ...more>>

  44. Sketchpad Activities for Young Learners: Grades 3-5 - Nathalie Sinclair
    This collection of activities for grades 3-5 offers examples of the ways in which Sketchpad can be used across the range of mathematical subject areas in the elementary curriculum. ...more>>

  45. Slope, Slope-Intercept, Standard Form - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about the slope of a line, and about the slope-intercept 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 ...more>>

  46. Softmath - Neven Jurkovic
    Developers of Algebrator, an automated tutor based on Maxima CAS that provides step-by-step solutions to algebra, trigonometry, and statistics problems, and exports answers to MathML. Demo and purchase Algebrator; use Softmath's free online software to ...more>>

  47. The Solar System and Space Technology - Eddie B. Rose Jr. - Yale-New Haven Teachers Institute
    A unit that presents a modularized, individualized problem-solving scientific/mathematics packet that can be adapted for grades K-12. The contents focus on space exploration and its relation to science and mathematics. The curriculum is design to integrate ...more>>

  48. Solving Simple Linear Equations - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about solving simple linear equations by inspection, elimination, substitution, intersection, and graphing. ...more>>

  49. Solving Word Problems (SMILE) - Barbara Trotter, O. A. Thorp Scholastic Academy
    A lesson for intermediate and upper grades designed to teach students several different techniques for solving word problems. From the Practical and Applied Math section of a collection of almost 200 single concept lessons by the Science and Mathematics ...more>>

  50. Square Roots without a Calculator - Math Forum, Ask Dr. Math Common Question
    A selection of answers to questions about square roots without a calculator, from the divide-and-average technique to Newton's method to the continued fraction algorithm (CFA). ...more>>


 
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