Each student Amy Estersohn shared the book “Which One Doesn’t Belong” with spent time lost deep in thought among the geometric images and was able to articulate a reasonable explanation for why a shape didn’t belong. The teacher’s guide can help build math discussion.
Christopher Danielson used to hate teaching geometry. Now he sees it as a playground of mathematical ideas for middle schoolers, with opportunities for exploration, wonder, and smart conversations. Here Danielson shares ideas and images teachers can use to begin the fun.