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Guide and features
Guide and features
Science, Technology, Engineering and Mathematics
Featured Early Years Foundation Stage; US Kindergarten
Featured UK Key Stage 1&2; US Grades 1-4
Featured UK Key Stage 3-5; US Grades 5-12
Featured UK Key Stage 1, US Grade 1 & 2
Featured UK Key Stage 2; US Grade 3 & 4
Featured UK Key Stages 3 & 4; US Grade 5-10
Featured UK Key Stage 4 & 5; US Grade 11 & 12
Upper Secondary - Complete Article Index
The complete list our upper secondary student articles
Mathematical Ways to Spend Your Summer
Mathematics in the Financial Markets
Maths and Climate Change: the Melting Arctic
Maths in the Undergraduate Physical Sciences
Modelling Assumptions in Mechanics
Modulus Arithmetic and a Solution to Differences
Modulus Arithmetic and a Solution to Dirisibly Yours
More Old Chestnuts
More Sums of Squares
Muggles, Logo and Gradients
Multiplication of Vectors
On the Importance of Pedantry
Paint Rollers for Frieze Patterns.
Paper Folding - Models of the Platonic Solids
Picturing Pythagorean Triples
Preparing for Interviews
Preparing Students for STEM at University
Probability Through Problems: a new approach to teaching probability
Programming: Moiré Patterns
Proofs with Pictures
Public Key Cryptography
Pythagorean Triples I
Pythagorean Triples II
Randomness and Brownian Motion
Recent Developments on S.P. Numbers
Roasting Old Chestnuts
Seven Core Tips for Effective Studying
Shaping the Universe I - Planet Earth
Shaping the Universe II - the Solar System
Shaping the Universe III - to Infinity and Beyond
Solving the Genome Puzzle
Some Circuits in Graph or Network Theory
Some Thoughts on Teaching about Area
Stretching Fractions: A Discussion
Sufficient but Not Necessary: Two Eyes and Seki in Go
Sum the Series
Sums and Products of Digits and SP Numbers
Sums of Powers - A Festive Story
Sums of Squares and Sums of Cubes
Supporting Highly Able Mathematicians - Books for KS3-5
Taking Chances Extended
The Chinese Remainder Theorem
The Cyclic Quadrilateral
The Development of Algebra - 1
The Development of Algebra - 2
The Dodecahedron Explained
The Eternity Puzzle
The Four Colour Theorem
The Frieze Tree
The Golden Ratio, Fibonacci Numbers and Continued Fractions.
The Harmonic Triangle and Pascal's Triangle
The History of Trigonometry- Part 1
The Knapsack Problem and Public Key Cryptography
The Kth Sum of N Numbers
The Mathematical Problems Faced by Advanced STEM Students
The Mean Game
The Naked Pair in Sudoku
The Power of Dimensional Analysis
The Random World
The Secret World of Codes and Code Breaking
The Use of Mathematics in Computer Games
The Why and How of Substitution
To Prove or Not to Prove
Truth Tables and Electronic Circuits
Try to Win
Weekly Challenges Are Here!
What Are Complex Numbers?
What Are Numbers?
What Did Turing Do for Us?
What Is Problem Solving?
What Is the Circle Scribe Disk Compass?
When the Angles of a Triangle Don't Add up to 180 Degrees
Where Art and Maths Combine
Where Do We Get Our Feet Wet?
Which Twin Is Older?
Whirling Fibonacci Squares
Who Is an Engineer? A Quick Perspective After One Year of a University Engineering Course
Whole Number Dynamics I
Whole Number Dynamics II
Whole Number Dynamics III
Whole Number Dynamics IV
Whole Number Dynamics V
Why Do People Find Probability Unintuitive and Difficult?
Why Stop at Three by One
Women in Maths
Meet the team
The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice. More information on many of our other activities can be found here.
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Millennium Mathematics Project