Calculating the mean is one of many methods of finding an average. To calculate the mean, you add up all the numbers in the set, then divide the total by the number of numbers you added. The mean ...

For democratic elections to be fair, voting districts must have similar sizes. When populations shift, districts need to be redistributed -- a complex and, in many countries, controversial task when ...

Thousands of primary schools in England are to be offered the chance to follow an Asian style of teaching maths. The government is providing £41m of funding to help interested schools to adopt this ...