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NumberSupport

Standard form:Small numbers

Why 0.004 = 4 × 10⁻³: multiply by 10 and divide by one more 10, a line at a time, until the number in front is 1 to 9, then count the ÷ 10s, with the ladder printed until the last questions of the further practice.

A free key stage 3 and GCSE support number lesson on standard form: small numbers, spec code N9. 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