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Which One Doesn't Belong (Student Book)
A Shapes Book
Every colorful page of Christopher Danielson’s children’s picture book, Which One Doesn’t Belong?, contains a thoughtfully designed set of four shapes. Each of the shapes can be a correct answer to the question “Which one doesn’t belong?” Because all their answers are right answers, students naturally shift their focus to justifications and arguments based on the shapes’ geometric properties.
Mathical Book Prize Winner
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Every colorful page of Christopher Danielson’s children’s picture book, Which One Doesn’t Belong?, contains a thoughtfully designed set of four shapes. Each of the shapes can be a correct answer to the question “Which one doesn’t belong?” Because all their answers are right answers, students naturally shift their focus to justifications and arguments based on the shapes’ geometric properties.
Most curricula treat geometry as little more than vocabulary lessons. Which One D...read more
Danielson's book reveals the wonder and freedom of expression that many children don't often experience in mathematics. A single, simple question puts children in a position to speak mathematically even at early ages. Ask students of all ages ‘Which one doesn't belong?’ and revel in the reasoning and conversation that results.
Dan Meyer
