
Math Help  Graph Ordered Pairs  Game LCRD1 Tips:  Ordinary maps with directions East and North are examples of Math graphs.  The centre of a map is called the origin (0,0) in Mathematics.  Moving East 3 km, and North 4 km from a map's centre is the same as going from (0,0) to (3,4) in Math.  The ordered pair (3,4) has x coordinate 3 and y coordinate 4 as measured from the origin.  The order of the numbers in each ordered pair is crucial.  The x coordinate is also called an abscissa, and the y coordinate is called an ordinate.  It may take a minute to load the game at dialup speeds.  The game can be played using the mouse by itself or using the keyboard by itself.  If the game doesn't respond to keyboard input, click inside the game area to reset the game's focus.  Adjust the game's speed by pressing the + or  key repeatedly. 
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