12 items | 13 visits
Good sources of interesting, complex, often challenging math problems.
Updated on Jan 02, 15
Created on Aug 24, 14
Category: Schools & Education
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Msjwright2's List: Math: Meaty Problems
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Which numbers have exactly three factors? Exactly four factors? Exactly five factors? Exactly six factors?
Given a positive integer n, how can we tell exactly how many factors it has?
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give young students a sense of the beauty, elegance, and thrill of discovering a proof.
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The puzzle asks which numbers can you draw a square made up of that many squares. The squares need not be the same size.
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Sep 21, 14
Very cool and realistic scenario in which students need to choose a reasonable model and use knowledge of area (especially of circles), perimeter, and numerical calculations. In PPS, can be used in Math 6.
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Sep 13, 14
Requires only elementary geometry (triangle angle sum theorem, etc.) but is very challenging. I have not solved this yet. The hints are not spoilers at all.
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Sep 10, 14
Fun, fairly complicated visual and logic math problems that don't require more than elementary school math.
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Sep 10, 14
These puzzles are SO MUCH FUN. They combine visual thinking with logic.
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Aug 24, 14
Terrific, complicated, fun problems, especially for geometry and for math-lovers.
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Aug 24, 14
Free. Graphite's recommendation says Brilliant has excellent problems and adapts to students' performance, but is probably best for high-end students.
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Aug 24, 14
Big list of math teaching resources, with pointers to lesson plans, problems, professional development...
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Aug 24, 14
Recommended on a UK site. Quick but interesting puzzle problems.
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