How many sand grains are on that beach? Too many to count . . but can we work it out?

And now for something completely different - such is the scope of Earthlearningideas. 'How many sand grains are there in a bucket – or on a beach? - planning activities to estimate the number of sand grains in a bucket – or on a beach'.

This activity is a planning exercise to estimate large numbers of very small items.

More Earthlearningideas involving some maths can be found in our Cross Category topics - Maths in ELIs