This is part of our Secondary Curriculum collection of favourite rich tasks arranged by topic.

Constructing Triangles

Age 11 to 14
Challenge Level

Generate three random numbers to determine the side lengths of a triangle. What triangles can you draw?

Construction - Short Problems

Age 11 to 16

A collection of short problems on construction and loci.

The Farmers' Field Boundary

Age 11 to 14
Challenge Level

The farmers want to redraw their field boundary but keep the area the same. Can you advise them?

You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.