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.

Perimeter Challengelive

Stage: 3 Challenge Level: Challenge Level:1

Can you deduce the perimeters of the shapes from the information given?

Triangles in a Squarelive

Stage: 3 Challenge Level: Challenge Level:1

What are the possible areas of triangles drawn in a square?

Quadrilaterals in a Squarelive

Stage: 4 Challenge Level: Challenge Level:1

What's special about the area of quadrilaterals drawn in a square?

Garden Shedlive

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

Can you minimise the amount of wood needed to build the roof of my garden shed?

Exploring Diagonalslive

Stage: 3 and 4

Move the corner of the rectangle. Can you work out what the purple number represents?

Drawing Squareslive

Stage: 3 and 4

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

Rhombuses from Diagonalslive

Stage: 3 and 4

Take a look at the video showing rhombuses and their diagonals...

Are We Nearly There?live

Stage: 3 and 4

Can you describe the route followed by the arrows?

Getting Round the Citylive

Stage: 3 and 4

In a city with a grid system of roads, how do you get from A to B?

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?