lördag 19 februari 2011

The tower

Today we used multilink cubes for solving problems. How many cubes are there in this tower?

When it became more and more difficult we came up with the conclusion that the tower did not have to be all built because it was symmetrical. We discussed ways to solve the same problem and learned from each other. 

We also had time for a little humor! Olivia did some nice goggles :)

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