Main navigation

Teachers
Students
Parents
- Early years
- Primary
- Secondary
- Post-16
Problem-solving Schools
About NRICH

Search NRICH

Or search by topic

Number and algebra

Place value and the number system
Fractions, decimals, percentages, ratio and proportion
Calculations and numerical methods
Algebraic expressions, equations and formulae
Coordinates, functions and graphs
Patterns, sequences and structure
Properties of numbers

Geometry and measure

3D geometry, shape and space
Transformations and constructions
Vectors and matrices
Measuring and calculating with units
Pythagoras and trigonometry
Angles, polygons, and geometrical proof

Probability and statistics

Handling, processing and representing data
Probability (spec_group)

Working mathematically

Thinking mathematically
Mathematical mindsets

Advanced mathematics

Decision mathematics and combinatorics
Mechanics
Calculus
Advanced probability and statistics

For younger learners

Early years foundation stage

Basic page

Time and Tide

What can you say about when these photographs were taken?

Image

Image

Footer

Technical help
Accessibility statement
Sign up to our newsletter
Contact

Links to the NRICH Twitter account
Links to the NRICH Facebook account

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.

NRICH is part of the family of activities in the Millennium Mathematics Project.