Advent Calendar 2011 - a mathematical activity for each day during the run-up to Christmas.

The 2012 primary advent calendar features twenty-four of our posters, one for each day in the run-up to Christmas.

This advent calendar contains twenty-four tasks for the run-up to Christmas, each one encouraging mathematical creativity.

Explore a task from our Wild site on each day in the run up to Christmas

Weekly Problem 52 - 2017

Sue cuts some squares from a piece of paper to make a Christmas decoration. What is the perimeter of the resulting shape?

Twenty-four tasks for the run-up to Christmas, each one encouraging you to develop mathematical 'habits of mind'.

All the activities in the 2013 advent calendar are based on the theme of planet earth.

How could Penny, Tom and Matthew work out how many chocolates there are in different sized boxes?

Advent Calendar 2012 - a mathematical activity for each day during the run-up to Christmas.

A mathematical challenge for each day during the run-up to Christmas.

Find all the ways to cut out a 'net' of six squares that can be folded into a cube.

Christmas trees are planted in a rectangular array. Which is the taller tree, A or B?

Twenty-four tasks for the run-up to Christmas.

Vera is shopping at a market with these coins in her purse. Which things could she give exactly the right amount for?

Find out about the research activities of the NRICH team and other colleagues here.

Our 2008 Advent Calendar has a 'Making Maths' activity for every day in the run-up to Christmas.

Advent Calendar 2010 - a mathematical game for every day during the run-up to Christmas.

Advent Calendar 2010 - a mathematical game for every day during the run-up to Christmas.

All the activities in this year's primary Advent Calendar have a food or drink theme. Yum yum!

NRICH December 2007 advent calendar - a new Sudoku for each day in the run-up to Christmas.

NRICH December 2006 advent calendar - a new tangram for each day in the run-up to Christmas.

Can you fit the tangram pieces into the outline of Little Ming and Little Fung dancing?

Twenty four tasks to count down to Christmas.

Welcome to our set of EYFS activities. We have designed these, in partnership with our Early Years Practitioner Partners, to support you in developing the initial building blocks for mathematical. . . .

This article explains how to make your own magic square to mark a special occasion with the special date of your choice on the top line.

What size square should you cut out of each corner of a 10 x 10 grid to make the box that would hold the greatest number of cubes?

From a group of any 4 students in a class of 30, each has exchanged Christmas cards with the other three. Show that some students have exchanged cards with all the other students in the class. How. . . .

NRICH activities which map to Cambridge Primary Maths.

You have two sets of the digits 0 – 9. Can you arrange these in the five boxes to make four-digit numbers as close to the target numbers as possible?

All the girls would like a puzzle each for Christmas and all the boys would like a book each. Solve the riddle to find out how many puzzles and books Santa left.

This is the introductory page of a set of resources designed to support teachers in using rich tasks in their daily mathematics lesson.

Work on these problems to improve your mathematical modelling skills.

Problems about mathematical modelling for use with Stage 3 and 4 students.

These activities are all about measuring different things, including time! Can you try and make a sensible guess about the size of something before you measure it?

These challenges will test your understanding of information, as well as how likely different events are.

If these elves wear a different outfit every day for as many days as possible, how many days can their fun last?

These resources introduce and explore the concepts of volume and capacity.

More upper primary activities using counters.

This brief article, written for upper primary students and their teachers, explains what the Young Mathematicians' Award is and links to all the related resources on NRICH.

What can you create using 140 characters and our cool Twilgo environment?

Have a go at these activities, which involve shapes and moving objects in different ways.

This is our collection of favourite mathematics and sport materials.

Resources that might be useful for schools, teachers and students who have experienced the Hands-on Maths Roadshow.

Draw graphs of the sine and modulus functions and explain the humps.