(bright upbeat music) - Good morning, boys and girls. Welcome back to Room Nine. It is Dr. Sanders in here getting ready for somewhat baseball. And knows (indistinct), but no, I am here in the largest ...

Looking for some math problem-solving activities for middle school? Good, you’re at the right page then. Right before children enter Middle School (around the age of 11 or 12), they enter a critical ...

In 2007 Alexander Shapovalov suggested an unusual coin-weighing problem for the sixth international Kolmogorov math tournament [5]. A judge is presented with 80 coins that all look the same, knowing ...

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