Students will work with ratios, rates, and unit rates in this math lesson.

The number phi, often known as the golden ratio, is a mathematical concept that people have known about since the time of the ancient Greeks. It is an irrational number like pi and e, meaning that ...

Formulae are presented for the prediction of the correlation between a ratio and its denominator in terms of the correlation between the numerator and the denominator and of the coefficients of ...