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Cottesmore Academy

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Measure Perimeter


Make sure you play some of the Maths games on the main page and the videos on the main page!


Notes and Guidance

Children measure the perimeter of rectilinear shapes from diagrams without grids. They will recap measurement skills and recognise that they need to use their ruler accurately in order to get the correct answer. They could consider alternative methods when dealing with rectangles e.g. l + w + l + w or (l × w) × 2


Maths Talk

What is perimeter of a shape?

What’s the same/different about these shapes?

Do we need to measure every side?

Once we have measured each side, how do we calculate the perimeter?


Problem Solving/Reasoning - do as many as you want.