Video summary
We demonstrate how to calculate the perimeter and area of simple and compound shapes.
The importance of using correct units in measurement is emphasised via the increasing annoyance of the Measuring Crow.
We also give the formula for the area of a triangle.
This clip is from the series Kick Sum Maths.
Teacher Notes
This clip can lead to discussion of what may go wrong if we don't write down our units while calculating area and perimeter.
Also, what operations make sense when dealing with units? For example, does metres + metres squared makes sense? What about metres x metres squared? Or pounds (拢) per metre? Metres per pound?
These clips could be used for teaching Maths at KS2 or at a beginner level in England, Wales and Northern Ireland and 1st and 2nd Level in Scotland.
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