Seaside

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Description

Maths expert Isaac Anoom goes to the seaside to pose questions about the properties of triangles and gives some helpful clues and answers. These questions are intended to be used with pupils in short sections to stimulate discussion and investigation, either for revision and reinforcement or as part of a themed lesson on triangles and their properties. The activities are:- how to construct a triangle given the length of its sides - Isaac demonstrates how this can be done using ruler and compasses.- how to work out the length of the nearby pier and how the properties of similar triangles will produce an answer.- how to work out the position of a remote point out at sea using the principles of triangulation and a scale drawing.There's a quick tethered goat question with Isaac drawing circular loci on the beach, and a final question about dividing a hexagonal cake into five equal sections, though it's left to your pupils to prove why this works.