Skip to main content
Links to the University of Cambridge website Cambridge University Faculty of Mathematics Links to the NRICH website Home page NRich logo
Advent Calendars 2023
Primary | Secondary
menu
  • Teachers expand_more
    • Early years
    • Primary
    • Secondary
    • Post-16
    • Events
    • Professional development
  • Students expand_more
    • Primary
    • Secondary
    • Post-16
  • Parents expand_more
    • Early Years
    • Primary
    • Secondary
    • Post-16
  • Problem-solving Schools
  • About NRICH expand_more
    • About us
    • Impact stories
    • Support us
    • Our funders
    • Contact us

Or search by topic

Number and algebra

  • The Number System and Place Value
  • Calculations and Numerical Methods
  • Fractions, Decimals, Percentages, Ratio and Proportion
  • Properties of Numbers
  • Patterns, Sequences and Structure
  • Algebraic expressions, equations and formulae
  • Coordinates, Functions and Graphs

Geometry and measure

  • Angles, Polygons, and Geometrical Proof
  • 3D Geometry, Shape and Space
  • Measuring and calculating with units
  • Transformations and constructions
  • Pythagoras and Trigonometry
  • Vectors and Matrices

Probability and statistics

  • Handling, Processing and Representing Data
  • Probability

Working mathematically

  • Thinking mathematically
  • Developing positive attitudes
  • Cross-curricular contexts

For younger learners

  • Early Years Foundation Stage

Advanced mathematics

  • Decision Mathematics and Combinatorics
  • Advanced Probability and Statistics
  • Mechanics
  • Calculus

Geometry and Measure


This is part of our Secondary Curriculum collection of favourite rich tasks arranged by topic.

Angles, Polygons and Geometrical Proof (age 11-14)

Working on these problems will help your students develop a better understanding of angles, polygons and proof.

Angles, Polygons and Geometrical Proof (age 14-16)

Working on these problems will help your students develop a better understanding of angles, polygons and proof.

Construction

Working on these problems will help your students develop a better understanding of geometrical constructions.

3D Shapes

Working on these problems will help your students develop a better understanding of three dimensional shapes.

Age 11 to 14
Challenge Level Yellow star

Perimeter, Area and Volume (age 11-14)

Working on these problems will help your students develop a better understanding of perimeter, area and volume.

Age 14 to 16
Challenge Level Yellow star

Perimeter, Area and Volume (age 14-16)

Working on these problems will help your students develop a better understanding of perimeter, area and volume.

Transformations

Working on these problems will help your students develop a better understanding of transformations.

Vectors

Working on these problems will help your students develop a better understanding of vectors.

Pythagoras' Theorem & Trigonometry

Working on these problems will help your students develop a better understanding of Pythagoras' Theorem and trigonometry.

  • Tech help
  • Accessibility Statement
  • Sign up to our newsletter
  • Links to the NRICH Twitter account Twitter X logo
  • Links to the NRICH Facebook account Facebook logo

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.

Links to the University of Cambridge website University of Cambridge logo Links to the NRICH website Home page NRICH logo