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By: Annabel van Tuyll Creator of boat only: Svasti Sharma On the weekend, friends of mine went camping. They were camping on a small island in the middle of the lake. There were eight adults and two children in all. When they went to cross the lake and return home their boat was missing. They searched and searched but all they could find was an old canoe. It wasn't as big as the boat and they were worried it wouldn't carry them all. So, they tested it and found the boat could carry either: • one adult • one or two children At first they thought some of them would be stranded forever, but finally, they figured out how to get them all safely across the lake. Can you figure it out? 3.The number of trips that were taken were 9. The number of people was 2 adults and two children.

1.The number of trips that were taken were 33. The number of people was 8 adults and 2 children.


The number of children (x)

The number of adults (y)

number of trips (z)

2

2

9

2

8

33

2

7

29

2

1

4

The relationship between the number is: -Y x 4=1+ Z

The number of trips were 29. The number of people was 7 adults and 2 children.


Crossing the River  

Math, crossing

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