The arithmetic mean is the result of adding all numbers in a series, counting the number of numbers in the series, and then dividing the sum by the count.

Its readership is a mixture of school teachers, college and university lecturers, educationalists and others with an interest in mathematics. One of the world's leading journals in its field, it ...

The study was conducted to (a) determine the development of children's understanding of seven properties of the arithmetic mean and (b) assess the effects of the material used in the testing ...

The comparison is between arithmetic or geometric mean returns. Returns themselves are neither arithmetic nor geometric. Follow us on Facebook, Instagram, Twitter, and LinkedIn!

Investors usually consider the geometric mean a more accurate measure of portfolio performance than the arithmetic mean because it accounts for compounding. Learn more.

What's the best way for children to learn arithmetic—memorizing number values and multiplication tables, or studying math at a deeper, conceptual level?