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!

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.

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?