Can you spot circles, spirals and other types of curves in these photos?
An investigation looking at doing and undoing mathematical operations focusing on doubling, halving, adding and subtracting.
This problem is designed to help children to learn, and to use, the two and three times tables.
Can you make arrange Cuisenaire rods so that they make a 'spiral' with right angles at the corners?
Explore Alex's number plumber. What questions would you like to ask? What do you think is happening to the numbers?
Can you make a spiral for yourself? Explore some different ways to create your own spiral pattern and explore differences between different spirals.
Lots of very good ideas that caused pupils to think and problem solve in what was probably a new area of Mathematics
Go to last month's problems to see more solutions.
In this article for teachers, Liz Woodham describes the criteria she uses to choose mathematical games for the classroom and shares some examples from NRICH.
This is a game in which your counters move in a spiral round the snail's shell. It is about understanding tens and units.
This is our collection of favourite mathematics and sport materials.
Here are a collection of games from around the world to try during the holidays or the last few weeks of term.