Search

problem

Shaded End

11 to 14

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?

problem

Threes and Fours

14 to 16

What is the smallest integer where every digit is a 3 or a 4 and it is divisible by both 3 and 4?

problem

Geometric Quadrilateral

11 to 14

Each interior angle in a quadrilateral (apart from the smallest) is twice the previous one. What is the size of the smallest interior angle?

problem

Radioactive Triangle

11 to 14

Weekly Problem 41 - 2014
Three straight lines divide an equilateral triangle into seven regions. What is the side length of the original triangle?

problem

Building Up

11 to 14

In the diagram, the number in each box is obtained by adding the two immediately below. What is the number in the top box?

problem

Clown Hats

14 to 16

Weekly Problem 51 - 2015
Charlie is making clown hats from a piece of cardboard. What is the maximum number he can make?

problem

Overlapping Beer Mats

11 to 14

Can you find the area of the overlap when these two beer mats are placed on top of each other?

problem

Bishop's Paradise

11 to 14

Weekly Problem 37 - 2013
Which of the statements about diagonals of polygons is false?

problem

One to Fifteen

7 to 11

Can you put the numbers from 1 to 15 on the circles so that no consecutive numbers lie anywhere along a continuous straight line?

problem

Favourite

Aim High

16 to 18

How do you choose your planting levels to minimise the total loss at harvest time?

Or search by topic

Number and algebra

Geometry and measure

Probability and statistics

Working mathematically

Advanced mathematics

For younger learners

Search

Shaded End

Threes and Fours

Geometric Quadrilateral

Radioactive Triangle

Building Up

Clown Hats

Overlapping Beer Mats

Bishop's Paradise

One to Fifteen

Aim High