Happy Pi Day to You!: All About Measuring Circles (Cat in the Hat's Learning Library)

by Bonnie Worth (Author) Joe Mathieu (Illustrator)

Reading Level: 2^nd − 3^rd Grade

Series: Cat in the Hat's Learning Library

Join the Cat in the Hat as he explains how to measure circles and calculate pi in this perfect choice for Pi Day celebrations and nurturing a love of math and numbers!

The Cat in the Hat makes calculating pi--one of the most fascinating numbers in mathematics--as easy as pie! Using a piece of string and two sticks, the Cat first shows beginning readers how to draw a perfect circle. Then, using a can and a piece of ribbon, he shows how to measure a circle's circumference and diameter, and to use those measurements to calculate pi. Also included is information about the history of measurement and famous Pi Pioneers!

Written in simple rhyme, Happy Pi Day is a natural choice for celebrating Pi Day (held annually on March 14), and for nurturing a child's interest in math. Fans of the hit PBS show The Cat in the Hat Knows a Lot About That! will be delighted at this new addition to the Learning Library series.

Common Sense Media Review

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Bonnie Worth

Bonnie Worth is the author of countless books for young readers, among them 18 of the Cat in the Hat's Learning Library books, including Oh Say Can You Say Di-No-Saur?, If I Ran the Rain Forest, Oh Say Can You Seed? (winner of the 2003 Ohio Farm Bureau Award), Hark! A Shark!, and If I Ran the Horse Show.

Aristides Ruiz is the illustrator of all the Cat in the Hat's Learning Library books.

Classification

Non-fiction

ISBN-13

9780525579939

Lexile Measure

Guided Reading Level

Publisher

Random House Books for Young Readers

Publication date

February 04, 2020

Series

Cat in the Hat's Learning Library

BISAC categories

Library of Congress categories

Mathematics
Pi
Cat in the Hat
Circle-squaring

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