Tangram Tangle
Age 5 to 7
Challenge Level
If you split the square into these two pieces, it is possible to fit the pieces together again to make a new shape. How many new shapes can you make?
Triangle Animals
Age 5 to 7
Challenge Level
How many different ways can you find to join three equilateral triangles together? Can you convince us that you have found them all?
2 Rings
Age 5 to 7
Challenge Level
The red ring is inside the blue ring in this picture. Can you rearrange the rings in different ways? Perhaps you can overlap them or put one outside another?
Turning Man
Age 5 to 7
Challenge Level
Use the interactivity to find out how many quarter turns the man must rotate through to look like each of the pictures.
Turning
Age 5 to 7
Challenge Level
Use your mouse to move the red and green parts of this disc. Can you make images which show the turnings described?
En-counters
Age 5 to 7
Challenge Level
This task requires learners to explain and help others, asking and answering questions.
Olympic Rings
Age 5 to 7
Challenge Level
This problem is intended to get children to look really hard at something they will see many times in the next few months.
Walking Round a Triangle
Age 5 to 7
Challenge Level
This ladybird is taking a walk round a triangle. Can you see how much he has turned when he gets back to where he started?
You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.
NRICH is part of the family of activities in the Millennium Mathematics Project.