Author note — to cover

Recognising powers of 2, 3, 4 and 5, which N6 names explicitly; squares to 15 squared and cubes of 1 to 5 and 10; writing 64 as a power of 2, 4 or 8. Estimating roots of non-powers lives on Measures estimating-roots. Both tiers. (N6)

Introduction

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Practice and continue

Practice

Recognising powers of a number

The squares, cubes and powers of 2, 3, 4 and 5 worth recalling.

Next lesson

Square roots

The square root as the inverse of squaring, found by reversing a known square.