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AlgebraCommon

Forming equations from perimeter

Add the sides, set the total equal to the perimeter, solve. Triangles first, then shapes where some equal sides are not labelled.

A free GCSE Foundation and Higher algebra lesson on forming equations from perimeter, spec code A21. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket, end of unit tests and a method video.

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