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.

Wild Maths - share what you have tried and discoveredlive

Stage: 3 and 4

Here's how you can send your solutions to these Wild Maths problems. You may be featured in our Showcase!

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?

Polygon Pictureslive

Stage: 3 Challenge Level: Challenge Level:1

Can you work out how these polygon pictures were drawn, and use that to figure out their angles?

An Equilateral Triangular Problemlive

Stage: 3 Challenge Level: Challenge Level:1

Take an equilateral triangle and cut it into smaller pieces. What can you do with them?

Star Polygonslive

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

Draw some stars and measure the angles at their points. Can you find and prove a result about their sum?

Angles in Three Squareslive

Stage: 3 and 4 Challenge Level: Challenge Level:2 Challenge Level:2

Drawing the right diagram can help you to prove a result about the angles in a line of squares.

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. More information on many of our other activities can be found here.
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NRICH is part of the family of activities in the Millennium Mathematics Project.