In the mid-20th century we began launching satellites into space that would help us determine the exact circumference of the Earth: 40,030 km. But over 2000 years earlier, a man in Ancient Greece came up with nearly the exact same figure using just a stick and his brain.
Have you made an original resource for maths teaching that you could share? The simplest resource may be just the thing another teacher was looking for. Share on MathsFaculty.
