About 18 months ago in March, 2024, two black teenage girls from a New Orleans high school announced they found a new proof of the Pythagorean Theorem. What makes their proof especially impressive is that out of more than 400 unique proofs of the Pythagorean Theorem, theirs is the FIRST proof that relies entirely on […]

The other day I was in a class doing a demonstration on what a lesson looks like in the style of Building Thinking Classrooms. The concept we wanted students to learn was sorting decimals. Here was the task… At first, we asked students to simply sort the decimals from least to greatest in order to […]

ANSWERS here: https://youtu.be/Nn9J-UVb1XU

ANSWERS: https://www.youtube.com/watch?v=VWt9h8yHcv8

ANSWERS!