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### Number and algebra

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# Bio Graphs

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Links to the University of Cambridge website
Links to the NRICH website Home page

Nurturing young mathematicians: teacher webinars

30 April (Primary), 1 May (Secondary)

30 April (Primary), 1 May (Secondary)

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Age 14 to 16

Challenge Level

These four graphs can be used to represent growth rates of certain organisms. How many possibilities can you suggest for each one?

Can you suggest organisms which grow according to a qualitatively different type of graph?

The graphs are all without scale on the axes.

For any possibility you suggested for the graphs, what would be a sensible scale for the axes in each case to make the graphs make sense?