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NumberHigher

Estimating roots

Find the square numbers either side, then judge how far along the number sits. Square roots first, then cube roots, then no number line.

A free GCSE Higher number lesson on estimating roots, spec code N6. It has a lesson deck to teach from with a visualiser, a worksheet with answers, an exit ticket and an end of unit test.

More in Powers, surds and standard form

Everything in Powers, surds and standard form