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NumberFoundation

Standard form:Large numbers

Why 45 000 = 4.5 × 10⁴: divide by 10 and multiply by one more 10, a line at a time. Further practice turns standard form back into ordinary numbers, then compares and orders them.

A free key stage 3 and GCSE Foundation number lesson on standard form: large numbers, spec code N9. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket, end of unit tests and a method video.

More in Powers, surds and standard form

Everything in Powers, surds and standard form