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NumberFoundation

Estimation

Each number drops into a box rounded to 1 significant figure, then the easy calculation. Includes brackets and dividing by 0.5 or 0.2.

A free key stage 3 and GCSE Foundation number lesson on estimation, spec code N14. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket, an end of unit test and a method video.

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