Work with numbers big and small to estimate and calulate various quantities in biological contexts.
How many different lengths is it possible to measure with a set of three rods?
Join the midpoints of a quadrilateral to get a new quadrilateral. What is special about it?
The items in the shopping basket add and multiply to give the same amount. What could their prices be?
Can you make sense of information about trees in order to maximise the profits of a forestry company?
There are lots of different methods to find out what the shapes are worth - how many can you find?
Can you work out the fraction of the original triangle that is covered by the inner triangle?
Can you order the digits from 1-3 to make a number which is divisible by 3 so when the last digit is removed it becomes a 2-figure number divisible by 2, and so on?
