Want to help your sixth-grader master math? Here are some of the skills your sixth-grader will be learning in the classroom. In a herd of horses, the ratio of legs to tails is 4 to 1 (or 4:1) because ...
In mathematics, a rate is a ratio between two measurements with different units. If the unit or quantity in respect of which something is changing is not specified, usually the rate is per unit time.