This activity creates an opportunity to explore all kinds of number-related patterns.
Can you find the area of the overlap when these two beer mats are placed on top of each other?
Weekly Problem 41 - 2014
Three straight lines divide an equilateral triangle into seven regions. What is the side length of the original triangle?
If the area of a face of a cuboid is one quarter of the area of each of the other two visible faces, what is the area of these faces?
Three faces of a $3 \times 3$ cube are painted red, and the other three are painted blue. How many of the 27 smaller cubes have at least one red and at least one blue face?
Grannie's watch gains 30 minutes every hour, whilst Grandpa's watch loses 30 minutes every hour. What is the correct time when their watches next agree?
Each interior angle in a quadrilateral (apart from the smallest) is twice the previous one. What is the size of the smallest interior angle?
