Activity Description Investigate the first quadrant of the Cartesian coordinate system through identifying the coordinates of randomly generated points, or requesting that a particular point be plotted. Simple Coordinates Game is one of the Interactivate assessment explorers.

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Simple Coordinates Game

Place in mathematics curriculum:

This activity can be used to:

• introduce the Cartesian coordinate system
• practice students' point plotting skills
• practice students' graph reading skills

This activity allows the user to plot points on the coordinate plane and to read the coordinates of a point plotted by the computer. This activity would work well in groups of two or three for about fifteen to twenty minutes if you use the exploration questions and ten to fifteen minutes otherwise.

Preparations for this activity:

• answer the question "Which is X and which is Y?"
• discuss positive and negative coordinate, quadrants, etc.