Do you teach standard z-scores? Is it a struggle explaining what they really are? Try this! More

Do you teach standard z-scores? Is it a struggle explaining what they really are? Try this! More

Do your students struggle with setting up linear programming problems? Do you? Here’s a handy list of steps that will help. More

Probability tree diagrams are a tool to help students find probabilities. But they can also be a puzzle. Learn how and get the FREE DOWNLOAD here! More

Do you braid your hair? Did you know there’s some crazy math in it? More

As promised, here’s the “hard way” to understand the Monty Hall Problem. A little math involved, but also the Back to the Future Time Machine! More

There are a couple of ways to explain the Monty Hall Problem – the easy way and the hard way. I have to make cheesy potatoes, so the hard way comes tomorrow… More

Ever wonder what the difference is between a Present Value annuity and a Future Value annuity? Wonder no more! This video explains it. More

Want to get your homeschool teenager to do probability? Try heading to the bead shop first. This video shows probability in action with a beautiful end result. More

A fun puzzle from world famous Thiagi – and the number of different ways to solve it! More

The two previous posts showed how to tell the difference between permutations and combinations and how to work with factorials. Now you’re ready to do some calculations! More