An annual visit to a pumpkin patch leads to the introduction of behavior-over-time for a kindergarten class. The teacher uses two containers – one with 10 seeds, the other empty.  Students select numbered cubes (0, 1 or 2) at random to determine how many seeds will move from one container to the other. The total number of seeds in the second container is represented on the graph below.












The second and third graphs show the number of pumpkin seeds in both containers over time.


The fourth graph explores linear growth. The class moves two seeds at a time from one container to the other and graphs the results.



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