Live Problems - Stage 3 & 4

Each time you visit the NRICH site there will be some activities which are 'live'. That means we are inviting you to send us your solutions and we will publish a selection of them, along with your name and school. If you'd like to read more about what we're looking for, read this short article.

Multiple Surpriseslive

Stage: 3 Challenge Level: Challenge Level:1

Sequences of multiples keep cropping up...

Fibonacci Surpriseslive

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Play around with the Fibonacci sequence and discover some surprising results!

Growing Surpriseslive

Stage: 4 Challenge Level: Challenge Level:1

Can you find the connections between linear and quadratic patterns?

Square Number Surpriseslive

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

There are unexpected discoveries to be made about square numbers...

Drawing Squareslive

Stage: 3 and 4

Take a look at the video showing squares drawn on dotty grids...

Are We Nearly There?live

Stage: 3 and 4

Can you describe the route followed by the arrows?

Stage 3 and 4 Toughnutslive

Stage: 3 Challenge Level: Challenge Level:1

These Stage 3 and 4 problems have not yet been solved. Can you be the first?