Which One Doesn’t Belong? A Math Activity for Every Learner
Which One Doesn’t Belong? (WODB) is a simple activity with big benefits. Whether you’re teaching kindergarteners or high schoolers, WODB creates opportunities for every student to engage, think critically, and share their ideas. With no single “correct” answer, this activity encourages creativity and conversation, making it a go-to for classrooms everywhere. What is WODB? wodb.ca At its core, WODB presents four objects—numbers, shapes, or images—and asks students to decide: Which one doesn’t belong? The twist? Every object could “not belong,” depending on the reasoning. For example, a set of numbers might include 4, 9, 12, and 16. One student might…
A Few of My Favorite Things- Non-Curricular Tasks
Within the past few years, Peter Liljedahl’s book, Building Thinking Classrooms in Mathematics for grades K-12, has blasted off in the mathematics education world! This popular book outlines 14 Teaching Practices for Enhancing Learning- all focusing on a math classroom. Over many years of research in a variety of schools and locations, he noticed that students were not thinking about math. Enter his 14 best practices to improve how we get students to think about math. The tasks we give during a math class, based on his research, are based off of years of institutional norms. The way our parents learned…
