What! We had an assignment due yesterday!?” “Yes, and it was fifteen percent of your grade. How did you forget?” “I do not know! I made a list of all the assignments that I knew I was supposed to ...

A dispute over how to divvy up the pot in an interrupted game of chance led early mathematicians to invent modern risk ...

When you are doing division, it's helpful to use a written method. This can be especially useful if the numbers get too big to calculate in your head. If the number you are dividing by (this is called ...

When you multiply numbers together, you’re looking at how many groups of, or lots of, something you have. You can use this same thinking, when you are multiplying fractions. For example: \( \frac{2}{3 ...