Check out the math in this strange and exciting furniture promotion based on the football championships!… More

Check out the math in this strange and exciting furniture promotion based on the football championships!… More

Did you know that by sharing a blog giveaway, you’re REDUCING your chances to win!? Sounds nuts – but there’s math behind it!… 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

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

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

Have you ever been told that “In permutations, order matters”? There are lots of permutation problems where there’s no ordering whatsoever. So how can you tell?!? Here’s how.… More

You may have seen n! – and I don’t mean to scream the 14th letter of the alphabet at you. So what the heck are factorials and why do you ever need to learn them? (Guess what – the answer is in this post!)… More