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COORDINATE GRAPHS #1--RUBRIC

Directions:  Mason and Jeremy wanted to earn some extra spending money for the holiday season.  They both decided to get jobs at different department stores.  The two graphs below show how much time each person worked and how much money they earned.  Answer the questions below to complete this performance task.

										

1)	 Identify the point on Mason’s graph which shows that she earns $36 in 3 hours. (1 point)	         (3, 36)   		

2)	How much money will Jeremy earn if he works seven hours?  (1 point)    		                       $70      	

3)	Explain what the point (6, 60) means in the context of Jeremy’s graph?  (2 points)

If Jeremy works 6 hours, he will earn $60.

4)	 Explain what the point (4.5, 54) means in the context of Mason’s graph?  (2 points)

If Mason works 4.5 hours, she will earn $54.

5)	 Who earns more money after working exactly 5 hours?  Mason or Jeremy?Explain how you know. (2 points)

Mason will earn more money, because the graph shows that she earns $60 in 5 hours, while the graph shows that Jeremy earns $50 in 5 hours.

6)	 How much money will each person earn if they work 20 hours?  Explain how you know.  (2 points)

Mason will earn $240 if she works 20 hours.  Jeremy will earn $200 if he works 20 hours.  Explanations will vary.

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