Search

problem

Favourite

Through the Window

7 to 11

My local DIY shop calculates the price of its windows according to the area of glass and the length of frame used. Can you work out how they arrived at these prices?

problem

Magic Triangle

7 to 11

Place the digits 1 to 9 into the circles so that each side of the triangle adds to the same total.

problem

Cyclic Quad Jigsaw

14 to 16

A picture is made by joining five small quadrilaterals together to make a large quadrilateral. Is it possible to draw a similar picture if all the small quadrilaterals are cyclic?

problem

Counters

7 to 11

Hover your mouse over the counters to see which ones will be removed. Click to remove them. The winner is the last one to remove a counter. How you can make sure you win?

problem

Favourite

Let Us Reflect

7 to 11

Where can you put the mirror across the square so that you can still "see" the whole square? How many different positions are possible?

problem

Maths Makes a Difference

14 to 18

Recording and links to the resources used during the MMAD webinar on 2nd February 2021.

article

Thinking Through, and By, Visualising

7 to 16

This article is based on some of the ideas that emerged during the production of a book which takes visualising as its focus. We began to identify problems which helped us to take a structured view of the purposes and skills of visualising.