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Algebra Vision

Tags: algebra on 2008-07-18 -All Annotations (0) -About

in list: Maths resources

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Manifesto. Interactive Mathematics Miscellany and Puzzles

Raymond Smullyan, a Mathematician, Philosopher and author of several outstanding books of logical puzzles, tells, in one of his books, a revealing story. A friend invited him for dinner. He told Smullyan that his teenage son was crazy about Smullyan's boo

Tags: Algebra, cool, education, geometry, interactive, learning, mathematics, maths, philosophy, portal, Puzzle, puzzles, quotes, reference, resource, Math, for:mrmont on 2008-01-12 and saved by2 people -All Annotations (0) -About

more fromwww.cut-the-knot.org

Calendar Magic

Every 4th year is leap unless it's divisible by 100. This is only true with one additional caveat: among those divisible by 100, the ones that are divisible by 400 are still leap. As every one can see, this adds to the argument that calendars are deeply i

Tags: math, puzzle, calendar, Algebra, mathematics, maths, for:mrmont on 2008-01-12 -All Annotations (0) -About

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Cynthia Lanius' Lessons: Algebra - Fun with Calendars

What's so special about the 4 numbers forming a square? Think of creating a different pattern, say 3 in a row diagonally. Have your friend add up any three numbers diagonally left-to-right. But this time we wouldn't divide by 4 and subtract 4 to find the

Tags: math, mathematics, maths, Algebra, puzzle, calendar, for:mrmont on 2008-01-12 -All Annotations (0) -About

more frommath.rice.edu

Cynthia Lanius' Lessons: Algebra - Fun with Calendars

Take any calendar. Tell your friend to choose 4 days that form a square like the four to the right. Your friend should tell you only the sum of the four days, and you can tell her what the four days are.
How does the puzzle work? You know how people alwa

Tags: Algebra, imported, lessons, math, teaching, Games, Puzzle, Calendar, for:mrmont on 2008-01-12 and saved by6 people -All Annotations (0) -About

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Diophantine equation - Wikipedia, the free encyclopedia

In mathematics, a Diophantine equation is an indeterminate polynomial equation that allows the variables to be integers only. Diophantine problems have fewer equations than unknown variables and involve finding integers that work correctly for all equatio

Tags: math, mathematics, maths, equations, polynomials, for:mrmont, Algebra on 2008-01-12 -All Annotations (0) -About

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