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You are here: Home > Mathematics > Problems Puzzles and Games
Link (s):
Calculators and UltraConverter
offers interactive converters for distance, area, volume, mass, time, velocity, force, pressure, energy, power, density, flow, luminance, illuminance, temperature, and angles.
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offers paradoxical designs, puzzles, poems, and ideas.
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Cut the Knot
interactive mathematics miscellany and puzzles.
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Free Puzzles
offering geometry, logic, math, weight and other categories.
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Math Cats
creative, open-ended math explorations for children. Also includes cat and dog stories.
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celebrates math puzzles and mathematical recreations.
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problems and help for K-12, loan and mortgage calculators, and fun links.
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free automated service which provides solutions to all sorts of common mathematical problems within a couple of seconds.
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The Problem Site
provides math problems, brainteasers, and riddles online. These puzzles aid in developing problem solving and lateral thinking skills.
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dedicated to John Conway's thrackle problem.
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