We recently concluded our work on measuring length by learning all about perimeter. We practised measuring the perimeter of regular and irregular polygons. The children then used Numicon to support them in measuring the perimeter of compound shapes.
We also enjoyed puzzling over some open-ended reasoning and problem solving questions - for example, comparing the perimeters of different compound shapes made from the same two pieces of Numicon. There was a surprising variety of different shapes and perimeters!
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