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AlgebraSupport

Substitution:a letter stands for a number

Built for a Support class. Each letter becomes a box: put the number in the box, then work it out, with 3a written as 3 × a. One letter on the first page, then two letters and formulas in words.

A free key stage 3 and GCSE support algebra lesson on substitution: a letter stands for a number, spec code A2. It has a lesson deck to teach from with a visualiser, a worksheet with answers and an exit ticket.

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