Skip to main content

Become a
Problem-solving School

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

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

Geometry and measure

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

Probability and statistics

Handling, processing and representing data
Probability

Working mathematically

Thinking mathematically
Mathematical mindsets

Advanced mathematics

Calculus
Decision mathematics and combinatorics
Advanced probability and statistics
Mechanics

For younger learners

Early years foundation stage

Interactive environment

Four-layer Number Pyramid Interactivity

Here is a Number Pyramid with four layers for you to explore.

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.