Moira is late for school. What is the shortest route she can take from the school gates to the entrance?
Arrange any number of counters from these 18 on the grid to make a rectangle. What numbers of counters make rectangles? How many different rectangles can you make with each number of counters?
Is it possible to place 2 counters on the 3 by 3 grid so that there
is an even number of counters in every row and every column? How
about if you have 3 counters or 4 counters or....?
Billy's class had a robot called Fred who could draw with chalk
held underneath him. What shapes did the pupils make Fred draw?
The graph below is an oblique coordinate system based on 60 degree
angles. It was drawn on isometric paper. What kinds of triangles do
these points form?
These points all mark the vertices (corners) of ten hidden squares.
Can you find the 10 hidden squares?
On the graph there are 28 marked points. These points all mark the
vertices (corners) of eight hidden squares. Can you find the eight
Amy takes us step-by-step through her solution so we can see exactly how she approached it.
Go to last month's problems to see more solutions.
This article describes a practical approach to enhance the teaching
and learning of coordinates.
Practise your diamond mining skills and your x,y coordination in this homage to Pacman.
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.