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Check your answer poster

How to check your answer: does it make sense?

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A4 portrait. It is drawn in vector form, so it also prints sharply scaled up to A3.

The poster

Classroom poster: how to check your answer, does it make sense?. Check the size, the sign and the units. A probability is between 0 and 1. A length is never negative. A person is not 15 metres tall.
How to check your answer: does it make sense?. IGCSE Math Revision, free for classroom use.

The maths

Check the size, the sign and the units. For example: A probability is between 0 and 1. A length is never negative. A person is not 15 metres tall.

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