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AlgebraHigher

Completing the square

The square with a corner missing first. Halve the number of x, square it and take it away, then read off the turning point. Then the smallest value of a quadratic, solving by completing the square and a quadratic that starts 2x squared.

A free GCSE Higher algebra lesson on completing the square, spec code A11. It has a lesson deck to teach from with a visualiser, worksheets with answers, an exit ticket, an end of unit test and a method video.

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