Friday, February 18, 2011

Lesson Study Open House Elementary School Attached to Tsukuba University, Tokyo, Japan


The main problem is to find the masses of chocolate of different shapes (all have the same thickness). The square piece weighs 400g.

The first two shapes given (1) and (2) were triangle (obviously half) and square (less obvious that it is half).

The last problems were (3) and (4). Do you see how the two are related?

I was fortunate to participate in the open house. This research lesson is for grade five and was attended by thousands of teachers from all over Japan.

1 comment:

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