Estimating and approximating

From the information you are asked to work out where the picture was taken. Is there too much information? How accurate can your answer be?

See how the motion of the simple pendulum is not-so-simple after all.

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

Here's a chance to work with large numbers...

My measurements have got all jumbled up! Swap them around and see if you can find a combination where every measurement is valid.

In this short problem, try to find the location of the roots of some unusual functions by finding where they change sign.