It's election time at Camp Grizzly. Who will win the race to be the new mascot? Sophie's got the support of the all-important boat club. Daniel hands out flyers and candy bars. But with 50 out of 100 campers—50%—still undecided, Corey decides to throw her hat in the ring. As the race heats up, The Grizzly Gazette publishes polls showing how the percentages break down using a pie graph. Can Corey catch up?

Learning how to describe a group of 100 in terms of percentages is the first step toward understanding this important concept.

MathStart is an award-winning series by Stuart J. Murphy that teaches math through stories and visual models. Young readers find the stories engaging and relatable, because each story revolves around practical applications of the math concept being presented and features lively art from top-notch illustrators.

Charts and other visual representations help children understand how the math works and promote deeper comprehension. This unique combination of stories, illustrations, and visual models helps teachers and parents in the teaching of math and provides all children with the opportunity to succeed.

The 63-book series is divided into three levels with 21 books in each. The math concepts taught in MathStart books conform to state and national standards. Level 1 is Pre-K–Kindergarten; Level 2 is Grades 1–3; Level 3 is Grades 2–4. The series follows math topics across grades so there is a foundational path to learning that runs through the levels.