Includes index.

"As early as kindergarten, young learners should be able to identify shapes as "flat" or "solid," according to the Common Core. That includes the difference between a circle and a sphere. In this valuable book, readers will comprehend that spheres--3-D geometric figures--are familiar objects. In fact, they may see or even play with spherical items every day! Achievable text encourages them to add to their vocabulary, and a concluding activity allows for assessment."-- Provided by publisher.