Coordinates

problem
Treasure island

Age

7 to 11

Challenge level

Write down what you can see at the coordinates of the treasure island map. The words can be used in a special way to find the buried treasure. Can you work out where it is?
problem
Coordinate challenge

Age

7 to 11

Challenge level

Use the clues about the symmetrical properties of these letters to place them on the grid.
problem
Two number lines

Age

7 to 11

Challenge level

Max and Mandy put their number lines together to make a graph. How far had each of them moved along and up from 0 to get the counter to the place marked?
game

Coordinate cunning

Age

7 to 11

Challenge level

A game for two people that can be played with pencils and paper. Combine your knowledge of coordinates with some strategic thinking.
problem
Fred the class robot

Age

7 to 11

Challenge level

Billy's class had a robot called Fred who could draw with chalk held underneath him. What shapes did the pupils make Fred draw?
problem
Dotty relationship

Age

7 to 11

Challenge level

Can you draw perpendicular lines without using a protractor? Investigate how this is possible.
problem
Transformation tease

Age

7 to 11

Challenge level

What are the coordinates of this shape after it has been transformed in the ways described? Compare these with the original coordinates. What do you notice about the numbers?
problem
Cartesian isometric

Age

7 to 11

Challenge level

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?
problem
Treasure hunt

Age

7 to 14

Challenge level

Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
problem
Eight hidden squares

Age

7 to 14

Challenge level

On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?