A river crossing problem!
7 families with a mother, a father and a daughter each, come to a river they need to cross. There is only one boat for two persons. Only fathers know how to sail the boat. A daughter can be alone only with one of her parents. How can these 7 families cross the river under these conditions? How many times will the river be crossed, less or more than 30?
Parent tip
Explore different combinations and have a good time drawing, sketching, writing the solution. You can even make a paper models for each member of the story and solve the problem through play.
