Ponds and maths
There are many ways that ponds can be used for simple and more
complicated maths.
Activities
1. Measuring a pond
Using a tape measure or a piece of string, the length and width
of the pond can be measured in various places. Then a plan can be
drawn of the pond, including the banks, plants and various zones.
You could also measure the heights of plants and see how these
change as you move away from the water's edge.
2. Making a simple histogram
The numbers of animals found whilst pond-dipping (or collected
in other ways) can be totalled and plotted on a simple histogram.
If the children are keeping pond diaries, a histogram can also be
drawn for each season or at different stages during the creation
of a pond. To keep things simple, broad categories of minibeasts
could be used, e.g. frog and newt tadpoles, pond snails, water bugs
and beetles, crawling insect larvae, worms, freshwater shrimps.
3. Using a computer
How about using a computer to store and retrieve data collected
from the pond, or to enter details of individual minibeasts or plants,
real or imaginary? Use spreadsheet or graph IT computer programmes.
There is also scope for computer modelling work. You should also
explore the Internet - the Cornwall's Wealth of Wildlife site is
a good starting point: http://www.cornwallwow.org.uk/
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