 1996 Puzzle  Ruth Carver, Math Forum
For students in grades 312 with a general knowledge of mathematics. Using the digits in 1996 and any operations, try to write equations that have the numbers from 0 to 100 as the answer. The answer for each number and the name of the first person to
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 1997 Puzzle  Ruth Carver, Math Forum
For students in grades 312 with a general knowledge of mathematics. Using the digits in 1997 and any operations, try to write equations that have the numbers from 0 to 100 as the answer. The answer for each number and the name of the first person to
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 1998 Puzzle  Judy Brown, Math Forum
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 1998 and the operations +, , x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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 1999 Puzzle  Judy Brown, Math Forum
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 1999 and the operations +, , x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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 2000 Puzzle  Judy Brown, Math Forum
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 2000 and the operations +, , x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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 2001 Puzzle  Judy Brown, Math Forum
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 2001 and the operations +, , x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for
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 2002 Puzzle  Judy Brown
For students in grades 312 with a general knowledge of mathematics. Use the
digits in the year 2002 and the operations +, , x, ÷, sqrt (square root), ^
(raise to a power), and ! (factorial), along with grouping symbols, to write
expressions for
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 2003 Puzzle  Judy Brown
For students in grades 312 with a general knowledge of mathematics. Use the
digits in the year 2003 and the operations +, , x, ÷, sqrt (square root), ^
(raise to a power), and ! (factorial), along with grouping symbols, to write
expressions for
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 2004 Mathematics Puzzle  Judy Ann Brown
For students in grades 312 with a general knowledge of mathematics. Use the
digits in the year 2004 and the operations +, , x, ÷, sqrt (square root), ^
(raise to a power), and ! (factorial), along with grouping symbols, to write
expressions for
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 2005 Mathematics Puzzle  Judy Ann Brown
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 2005 and the operations +, , x, ÷, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for the
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 2006 Mathematics Puzzle  Judy Ann Brown
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 2006 and the operations +, , x, ÷, ^ (raised to a power), sqrt (square root), and ! (factorial), along with grouping symbols, to write expressions for the
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 2007 Mathematics Puzzle  Judy Ann Brown
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 2007 and the operations +, , x, ÷, ^ (raised to a power), sqrt (square root), and ! (factorial), along with grouping symbols, to write expressions for the
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 2009 Mathematics Puzzle
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 2009 and the operations +, , x, ÷, ^ (raised to a power), sqrt (square root), and ! (factorial), along with grouping symbols, to write expressions for the
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 2010 Mathematics Puzzle
For students in grades 312 with a general knowledge of mathematics. Use the digits in the year 2010 and the operations +, , x, ÷, ^ (raised to a power), sqrt (square root), and ! (factorial), along with grouping symbols, to write expressions for the
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 algebra4kids.com  Math Resources Providers
Worksheets, quizzes, games, and video tutorials for independent learning based on the Montessori theory ("freedom within boundaries"): whole numbers; number factors; proportion and percents; operations on decimals; exponents; fractions; lines, shapes
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 Algebra for Athletes.com  Cameron Bauer
Excerpts from the Nova Science Publishers, Inc., book Algebra for Athletes: algebraic laws illustrated in a variety of sports scenarios; exponents and weight room mechanics; linear equations and speed; vectors and golf; quadratic equations and parabolas;
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 Algebra (MathPages)  Kevin Brown
More than 50 "informal notes" by Kevin Brown on algebra. Kummer's Objection; irreducibility criteria, multiple linear regression, string algebra, characteristic polynomial of a matrix, iterated means, sums of powers, polynomials from Pascal's Triangle,
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 A+ Math
A site developed to help elementary school students improve their math skills interactively, offering: educational math games (learn basic operations and geometry by playing MATHO  bingo and math combined; Hidden Picture; and Concentration), Web flash
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 BasketMath Interactive  Robert Cummings, Science Academy Software
Science Academy Software's BasketMath online interactive application drill and practice site offers autoscoring questions in arithmetic, rounding and writing numbers, order of operations, factoring, adding or multiplying signed numbers, calculating perimeter
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 Brilliant
Weekly Olympiadstyle challenges that offer "rigorous, competitive, whimsical, and edifying" problem sets in math and physics. Register to explore the Brilliant Techniques Trainer's practice exercises; answer correctly to earn points redeemable for lanyards,
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 Calculating Car Payments  Barbara Christopher
Lesson plan with the objectives of using a formula containing complex fractions and large exponents to calculate a monthly car payment, using the order of operations while putting such a formula into a scientific calculator, and seeing a very practical
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 A Calculator
JavaScript calculators: the four basic operations, average, arithmetic congruence, greatest common divisor (GCD), least common multiple (LCM), radical simplifier, word converter that writes out numerals, and more.
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 Calculus (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 precollege calculus. Logarithms and Exponential; Sequences; Series; Techniques of Integration; Local Behavior of
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 Captain Astounding's Nightclub  Dan Welchman
A series of books set in a nightclub, the first of which discusses the practical applications of raising a number to the second, third, fourth and fifth powers. Other topics forthcoming, including "The Probability." The books concentrate on the real meaning
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 CAS Musings  Chris Harrow
Blog by a math teacher at a prep school in Ohio. Posts, which date back to March, 2011 and emphasize science, technology, engineering, and mathematics (STEM) and computer algebra systems (CAS), have included "Transforming inverse trig graphs"; "Birthday
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 ChiPrime
From the makers of the Android apps Grade School Math X and High School Math Challenge: autoscoring quizzes comparable to the quantitative section of the SATs, GREs, and GMATs; notes on logarithms, algebraic identities, exponents, quadratic equations,
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 A Collection of JavaScript Elabs Learning Objects  Hossein Arsham
A basic calculator for numerical experimentation, as a learning tool for the fundamental mathematical concepts and functions (as students do in, e.g. Physics labs.) Includes powers, exponents, square roots, factorials, trig functions. Link to further
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 College Math Prep for High School Students  C. J. Kentler and V. S. Manoranjan, Washington State University
Selfscoring problems, new with every click, to gauge a student's preparedness for college level math: operations, solving for a variable, solving linear equations, word problems, solving absolute value equations, solving inequalities, distance between
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 Computing Minimal Equal Sums Of Like Powers  JeanCharles Meyrignac
A distributedcomputing project on equal sums of like powers, for "all those who are fascinated by powers and integers," and the place to look for the current status of the problem. Download and install Euler2000 to participate.
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 Continued Fractions, Infinite Continued Fractions, and Iteration  Don Cohen, The Mathman
Ten different ways to solve a quadratic equation  an area of mathematics with applications to population increase, finding the square root of a number, chaos theory, and fractals. Sample problems from Chapter 8 (Solving Equations and Iteration) of Don
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 Cross Number Puzzles  Rainer Typke
Cross number puzzles to solve online; log in to create your own. Also known as crossfigure, figure logic, or numberlock puzzles, cross number puzzles require numbers instead of words to complete a crosswordlike grid.
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 A Cryptographic Compendium  John Savard
A book about cryptography with information about a large number of cipher systems and a limited coverage of cryptanalysis. It is mostly concerned with the various kinds of ciphers people have used and only mentions a few things about breaking ciphers.
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 Curious and Useful Math  Clay Ford
Tricks and rules for quickly calculating certain types of math problems, many from the 1888 book The Carpenter's and Joiner's Pocket Companion. Multiplication Tricks; Division Tricks; Squaring Tricks; Can it Divide...?; Age Math; Bible Numbers; Box Tricks;
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 De Moivre's Theorem  Math Forum, Ask Dr. Math Common Question
A selection of answers to questions about de Moivre's theorem, including its usefulness and proofs.
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 Digital Math  Santa Barbara County Education Office
A site to assist Algebra I, Grade 7, and Grade 6 students, their parents, and educators with the California State Mathematics Content Standards. Log in for Quicktime that provides stepbystep instruction to solve problems aligned with the mathematics
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 donalduncan's Channel
Narrated paper and pencil instructional videos  some, specific to British Columbia's Foundations of Math and Precalculus exams  on number, line segments and lines, rational expressions, factoring, quadratic functions, functions, exponents, polynomials,
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 Doubling Pennies  Math Forum, a Classic Problem from the Ask Dr. Math FAQ
Which is more, a million dollars or a penny doubled every day?
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 EggMath  Bradlow, Sullivan, Levy, UIUC
A collection of modules (including many interactive applets) for K12 classrooms, based on the theme of eggs. Topics include: the shape of an egg (addressing symmetry and crosssection, surfaces of revolution, pin and string construction of ellipses, Cartesian
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 Ejercicios Resueltos de Matemáticas  Sergio De Los Santos
Ejercicios resueltos para bajar (en forma Excel): Fórmulas, Aritmética; Álgebra; Trigonometría; Geometría analítica; Cálculo, Estadística, y Física.
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 Equipalindromic Numbers  Len Smiley
A description of the expansion of square root of natural numbers into continued fractions, and the strings of palindromes that can emerge from them. With a table of the first 100 natural numbers and their equipalindromic quadratic polynomials.
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 e Teaching Assistance Program  eTAP, Inc.
Lesson plans, examples and exercises, review checks, and other instructional materials, including audio downloads, on the language of mathematics; basic operations; order of operations and combining terms; fractions; multiplying and dividing fractions;
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 Euler and Erdős  Jean Pierre Mutanguha
Blog of selfdescribed amateur research in tribute to Leonhard Euler and Paul Erdős, "muses" to an author who considers it "hard to find math blogs aimed at undergraduates." Posts, which date back to May, 2013, have included "Envelopes and Astroids,"
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 Examples of Essays  Jim Wilson; Dept. of Mathematics Education, Univ. of Georgia
Extended Concurrencies of the Triangle, J. Wilson; Parabolas Inscribed in a Triangle, G. Giddings; Polygonal Spirals, L. Shook and M. Callinan; Roots 2 and 5, J. Wilson; Those Amazing Palindromes, Shareef Bacchus; Tangrams, Greg Huberty; Phi: That Golden
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 Excel Math  AnsMar Publishers, Inc.
Excel Math is a mathematics curriculum for Kindergarten through Sixth grade students. Students are repeatedly given practice in the use of the concepts, following their introduction, so that they retain them and develop a solid foundation on which to
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 Exercises in Math Readiness for University (EMR)  Dept. of Mathematics and Statistics, University of Saskatchewan
A collection of exercises with solutions/tutorials for high school mathematics topics important for university study in mathematics, sciences, engineering and commerce. Exercises at three degrees of difficulty, covering graphing, solving inequalities,
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 Explained Visually  Powell, Victor; and Lhe, Lewis
Interactive JavaScript to "make hard ideas intuitive." Drag sliders and select values to simulate sine and cosine, exponentiation, Markov chains, conditional probability, and more.
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 ExploreMath.com  Third Millennium Press
Shockwave activities illustrating realtime correlations between equations and graphs to help students visualize and experiment with concepts from elementary algebra through precalculus: experiment with the graphs of functions, systems, and complex numbers.
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 Exponential Fit: Running to Conclusions (MSTE)  Ed Malczewski; University of Illinois at UrbanaChampaign (UIUC)
A lesson that explores the process of finding the best fitting exponential curve to sets of data like the world record times for running the mile. Requires Internet access, a bag of Skittles, and Microsoft Excel. Analyze exponential fit for population
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 Exponential Functions  Jim Rahn
Links to selected sites, projects, and graphing calculator explorations designed to foster understanding of the family of functions known as exponential functions, useful in such applications as population growth, compound interest, radioactive decay,
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 Exponential Sketch  Finzer, Berkelman, Bennett; Key Curriculum Press
A sketch that draws the exponential function and lets you change the base dynamically.
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