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NumberSupport

Estimation

A rounding hill under every number: find its two ends, roll to the nearer one, then work out the easy calculation. The hills and the row of boxes stay printed until the last questions of the further practice.

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

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