# Past Monthly Themed Issues

Each month's content on the NRICH website used to be based upon a mathematical theme. Here is a list of previous themes.

Welcome to the new site

Random Spectacular!

Sport

Representations and models

Generic examples

Codes and Ciphers

Maths and the Olympics

Analysing Alternative Approaches

The art of statistics

Great problems for new classes

Open-ended, release from curriculum

Mathematics in Sport

Mathematics in Science and Technology

Actions on objects

Thinking about solutions and solution methods

Farewell to Jenny Piggott

How likely?

Patterns that lead to algebra and proof

Great Problems for New Classes

Modelling Scientific Exploration and Discovery

Mathematics and Art

NRICH Projects: Number Rules, Functions and Graphs

Collaborative Mathematics

No theme

No theme

Visualising

Communicating and reflecting

Interpreting and evaluating

Analysing

Representing

Visualising

Communicating and Reflecting

Interpreting and Evaluating

Analysing

Representation

Problem Solving

Making and Testing Hypotheses

Randomness

Time and Measurement

Logic and Algorithms

Experiment-conjecture-prove

Negative Numbers

Mathematical Modelling

Visualising

Number

Equations

Angles, Triangles and Trigonometry

Number

Complex Numbers and Transformation Geometry

10 year retrospective

Mathematics and Music

Geometry and Algebra

Inspirations from Easter Conferences

Area

Statistics

Shape

Distance, Time, Velocity and Rates of Change

Ratio and Proportion

Mechanics

Probability

Number Operations

Construction

Angles

Proof

Number and Functions

Sets and Groups

Coordinates

Optimising

Fractions, Decimals, Percentages and Ratio

Measurement and Trigonometry

Picturing Mathematics and Graph Sketching

Routes and Networks

3D Geometry, Shape and Space

Generalising

Codes and Hidden Meaning

Circles and Circle Theorems

Algebra

Clock Arithmetic and Number Theory

Thinking Systematically

Small and Beautiful

Transformations (Only Stage 1&2 themed)

Graphs & Data Handling (Only Stage 1&2 themed)

Logic (Only Stage 1&2 themed)

Sequences and Time (Only Stage 1&2 themed)

3D (Only Stage 1&2 themed)

Primes and Squares (Only Stage 1&2 themed)

Squares and Cubes (Only Stage 1&2 themed)

Factors and Multiples (Only Stage 1&2 themed)

Place Value (Only Stage 1&2 themed)

Logic (Only Stage 1&2 themed)

Money and Percentages (Only Stage 1&2 themed)

Coordinates (Only Stage 1&2 themed)

Fractions (Only Stage 1&2 themed)

Routes and Pathways (Only Stage 1&2 themed)

Tessellation (Only Stage 1&2 themed)

Measuring (Only Stage 1&2 themed)