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Jokes poster

How do you warm up in a cold classroom?

Stand in the corner. It's 90 degrees.

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

The poster

Cartoon maths joke poster. A smiling square asks: "How do you warm up in a cold classroom?" Punchline: "Stand in the corner. It's 90 degrees."
Maths joke poster: How do you warm up in a cold classroom?. IB Math Revision, free for classroom use.

Get it?

Get it? The corner of a rectangular room is a right angle, 90°: degrees of angle, not of temperature.

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