criss cross

November 3, 2009 at 9:33 am Leave a comment

This problem is a fun one, I have had kids as young as 3rd grade act it out. I put students in groups, a person for each roll plus a narrator, and the kids have 15 to 20 minutes to figure out the problem and then act it out for the class. All groups have the same problem and students will quickly understand if their attempt to get everyone over the water works or not.

A farmer going on a trip with a squirrel, acorn and a fox had to cross a river in a boat in which he couldn’t take more than one of them with him each time he crossed.  Since he often had to leave two of them together on one side of the river or the other, how could he plan the crossing so that nothing gets eaten, and they all get across the river safely?


Entry filed under: Math Games and Activities.

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