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You may not be able to identify what all of the pictures are. From top to bottom along the first column, then the secnd column:

Zebra
Haemoglobin (protein present in Red Blood cells)
Honeycomb
Red blood cells
Villi (small foldings in the small intestine)
Plant Cell
Coccolith
Pinecone
Snail
DNA

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Big and Small Numbers in Biology

Work with numbers big and small to estimate and calulate various quantities in biological contexts.

Bigger or Smaller?

When you change the units, do the numbers get bigger or smaller?

Bio Graphs

What biological growth processes can you fit to these graphs?

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The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

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