Of All the Areas
This NRICH mathematical problem is about the areas of equilateral triangles. Students will need to measure the area different triangles but in triangles rather than squares. They will need to look for any emerging patterns which might lead to non-linear sequences that need explanation. They will need to use their visualising skills…
Cyclic Quadrilaterals
In this maths problem from NRICH, students will be working with cyclic quadrilaterals. A cyclic quadrilateral is a quadrilateral whose vertices lie on a circle. This maths problem from NRICH is in two parts. The first part consists of four similar challenges which provide building blocks to help you to solve the final challenge.…