Children you might like to: <br />
<ul>
<li>Explore the Internet and find out which mathematician
'invented' the idea of coordinates.</li>
</ul>
<div>Parents you might like to:</div>
<ul>
<li>Try playing the games of Coordinate Cunning in <a href="http://nrich.maths.org/public/viewer.php?obj_id=1279&amp;part=index">
Play Games</a></li>
<li>Discuss strategies to help you win.</li>
<li>Talk about what you remember doing with 'Coordinate plane' when
last in school.</li>
<li>Help find out about the mathematician who is reputed to have
'invented' the Cartesian (hint) plane.</li>
</ul>
<div>Teachers you might like to:</div>
<ul>
<li>Organise a knockout competition around the game of Coordinate
Cunning in <a href="http://nrich.maths.org/public/viewer.php?obj_id=1279&amp;part=index">
Play Games</a> with children at each stage having to win the best
of three games until the final. Then they can play the best of five
games!</li>
<li>Explain the terms plain and plane and go on to show how the
coordinate plane can be used to show multiplication facts (y = 2x,
y = 3x etc..)</li>
<li>Introduce children to coordinates in space (x,y,z).</li>
</ul>
<br />