Which one doesn’t belong is a fun activity to get your students engaged and thinking critically. As students observe the four photos, some things to consider may be: size, shape, color, surroundings, real/not real, angles, beginning letter sounds, etc. This is a great warm up math exercise where every answer, is the right answer! With 100 exercises, there are plenty of opportunities for class discussion and critical thinking.How to play:o Display a single slideo Observe the four photoso Discuss