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Calculating the area of compound shapes - BBC Bitesize
Key Stage 2 Maths Northern Ireland
↗ https://www.bbc.co.uk/bitesize/topics/z9h23qt/articles/zd37wnbKey Stage 2 Maths Northern Ireland
↗ https://www.bbc.co.uk/bitesize/topics/z9h23qt/articles/zd37wnb