Division is the opposite of multiplication. Move all the numbers to the opposite (right) side of the equation so you can do division. JavaScript is required to view this activity.

Pi, defined as the ratio between the circumference of a circle and its diameter, is what's known as an irrational number. Despite its ubiquity, not only across math but also in fields as varied as ...

But how do we know that pi is an irrational number? Rational numbers, which make up the majority of numbers we use in day-to-day life (although less than half of all possible numbers), can be ...

In decimal notation, it’s 3.141592653 … aaand you can run that out as far as you want, because it’s an irrational number, and it never, ever, ever ends. What people do—in fact what ...

That's because the date written numerically as 3/14 matches the first three digits of the never-ending number: 3.14 The unique holiday is one that is discussed by math teachers in schools across ...