Terrariums
Age 11 to 14
Challenge Level
Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.
Big and Small Numbers in the Living World
Age 11 to 16
Challenge Level
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Investigating Epidemics
Age 11 to 16
Challenge Level
Simple models which help us to investigate how epidemics grow and die out.
Maths Is Everywhere!
Age 11 to 16
Challenge Level
Maths is everywhere in the world! Take a look at these images. What mathematics can you see?
Capture and Recapture
Age 11 to 16
Challenge Level
How do scientists or mathematicians estimate the size of a population of wild animals?
Peas in a Pod
Age 14 to 16
Challenge Level
What is the chance this pea plant will look like its parents?
Counting Dolphins
Age 14 to 16
Challenge Level
How would you go about estimating populations of dolphins?
Counting Fish
Age 14 to 16
Challenge Level
I need a figure for the fish population in a lake. How does it help to catch and mark 40 fish?
Big and Small Numbers in Biology
Age 14 to 16
Challenge Level
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Biology Measurement Challenge
Age 14 to 16
Challenge Level
Analyse these beautiful biological images and attempt to rank them in size order.
Bio Graphs
Age 14 to 16
Challenge Level
What biological growth processes can you fit to these graphs?
Time to Evolve
Age 14 to 16
Challenge Level
How many generations would link an evolutionist to a very distant ancestor?
Robot Camera
Age 14 to 16
Challenge Level
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
Solving the Genome Puzzle
Age 14 to 18
The human genome is represented by a string of around 3 billion letters. To deal with such large numbers, genome sequencing relies on clever algorithms. This article investigates.
Influenza Virus: It's All in the Packaging
Age 14 to 18
This article explores how researchers in disease dynamics are using mathematics to understand how the influenza virus replicates.
NRICH is part of the family of activities in the Millennium Mathematics Project.