Mathematics Resources - Enrichment
Years 11-12
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NCTM High School Problem of the Week / Monthly Challenge Problem

Problem of the Week - University of Mississippi
Submit a correct solution and have your name published. Solutions available by email for past problems.

Geometry Problems of the Week - Math Forum
problems and solutions for space, measurement, trigonometry and coordinate geometry

Algebra Problems of the Week - Math Forum
problems and solutions

Discrete Math Problems of the Week - Math Forum
problems and solutions for combinatorics (counting), graph theory, proof, travelling salesperson, trees, vertex colouring

Trigonometry & Calculus Problems of the Week - Math Forum
problems and solutions for sine rule, cosine rule, differentiation, integration, sequences/series, proof, perimeter, area, volume

NRICH Online Maths Club
news and views, problems (solutions), articles, inspirations, games, interactivities
(Select "display Maths using images".)

NRICH+plus
news, articles, reviews and much more for senior students

Online Columns - Mathematical Association of America - Ivars Peterson, Keith Devlin, Alex Bogomolny, Science News, Ed Pegg Jr, Ed Sandifer, Frank Morgan

Problem of the Month - Maths Challenge
single challenging problem requiring insights and mathematical tools (e.g. trigonometry, algebraic skills and aspects of proof)

High School Mathematics Competition - University of Maryland
Multiple choice questions and extended problems with solutions - some questions require a thorough knowledge of year 11 and 12 Mathematics.

Canadian Mathematics Competition
past problems and solutions

Problem Corner - Southwest Missouri State University
problems and solutions at three levels - high school, advanced and challenge

Word Problems for Kids
problems, hints and solutions organised by grade

Problems - Nick's Mathematical Puzzles
problems, hints and solutions - geometry, probability, number theory, algebra, calculus, trigonometry, and logic

Problem of the Week Home Page
links to problem of the week pages

Mathematics Competitions List
links to competitions with problems and solutions

Check out the interesting reading page and the puzzles/games page.

Have a look at MathsNet sketches - interactive geometry activities made with:

Theorem of the Month - University of Sheffield