This is not your typical shapes book. This introducti on to geometry and mathemati cal thinking will excite young readers and make math a part of their everyday lives. Celebrated math educator Christopher Danielson encourages inquiry and criti cal thinking and sparks memorable mathematical conversati ons by asking which shape in each group does not belong. There’s no one right answer—the important thing is to have a reason why. Kids might describe the shapes as squished, smooshed, dented, or even goofy. But when they justi fy their thinking, they’re talking math!