A class couldn’t decide which activities to do on Fun Day. Their teacher wanted to make a decision that would be fair to everyone, so he came up with a plan.
Join our mailing list to receive the latest news and updates from Dr. David Costello.
You have successfully subscribed!
To ensure the best experience on our site, we use cookies. Rest assured, the cookies we use are completely safe and serve the sole purpose of optimizing your math-learning journey.