13 Books About Pi Kids Will Love for Pi Day

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Pi Day, celebrated on March 14 (3/14), is a perfect opportunity to introduce students to the fascinating world of pi through fun, engaging, and educational books. Recognizing pi (π) as the ratio of a circle’s circumference to its diameter not only deepens mathematical understanding but also highlights the importance of math in everyday life.

The books about pi outlined below are great for elementary-aged kids and help bring math to life in an enjoyable way. Books about pi and other math concepts make complex ideas more accessible and exciting for kids. Engaging stories that explore circles, measurement, and math mysteries can spark curiosity and enthusiasm for numbers.

We strongly recommend including books about pi in your Pi Day celebrations so students can see its real-world applications while having fun with math.

Woman Reading A Book To The Children

13 Books About Pi to Celebrate Pi Day

These engaging books make learning about math fun, offering exciting ways to celebrate Pi Day with curious minds.

1. Sir Cumference and the First Round Table by Cindy Neuschwander

A fun and adventurous story about Sir Cumference and his friends as they discover the value of pi. This story teaches kids about the concept of pi through humor and a medieval setting, making math fun and accessible.

The cover of Sir Circumference and the First Round Table.

2. The Boy Who Loved Math: The Improbable Life of Paul Erdős by Deborah Heiligman

This biography introduces children to the life and work of Paul Erdős, one of the most prolific mathematicians, with an emphasis on his love for numbers and math, making it a great way to promote math as fun and exciting.

The cover of the picture book The Boy Who Loved Math.

3. Why Pi? (Big Questions) by Johnny Ball

This book explores the history of numbers, from ancient measurements to modern scientific discoveries. With a blend of fascinating mathematical facts, historical context, and thought-provoking problems, it’s a captivating read for both kids and adults.

The cover for the book about pi called 'Why Pi?'

4. Happy Pi Day to You! All About Measuring Circles by Bonnie Worth

In this colourful book, the Cat in the Hat introduces young readers to the concept of measuring circles, focusing on pi and how it helps us understand the relationship between a circle’s diameter and circumference. Through playful rhymes and illustrations, children are guided through basic mathematical concepts in a way that makes learning interesting.

The cover of one my classroom's favorite books about pi, Happy Pi Day to You! All About Measuring Circles

5. Circle Loves Pi by Vea Lewis

Teachers looking for a fun Pi Day read-aloud will love this charming story. This book about pi introduces math concepts in an engaging way, with age-appropriate vocabulary that’s perfect for classrooms and homeschools.

The cover of one of the most popular books about pi, Circle Loves Pi.

6. What Is Pi?: Pi Book For Kids by Katie Wolf

This engaging book about pi breaks the abstract concept down in a simple and fun way, helping kids understand the meaning of pi through clear explanations and illustrations. A great pick for young learners curious about math and perfect for celebrating Pi Day!

The cover of the book Wat is Pi? which is the perfect book about pi to share with students.

7. Mathemagic! Number Tricks by Lynda Colgan

Young readers are introduced to the magic of numbers with fun math tricks, puzzles, and visual illusions. This book shows how basic math concepts can create surprising and entertaining outcomes. It’s perfect for Pi Day as it encourages students to explore math in an engaging, hands-on way, making numbers feel like a game.

An image of the cover of Mathemagic! This is an excellent book to share on Pi Day because it gets kids excited about numbers.

8. Counting in Dog Years and Other Sassy Math Poems by Betsy Franco

This playful and engaging book combines math and poetry in a fun, laugh-out-loud way. Its bouncy text and silly illustrations make it perfect for reading aloud, while introducing kids to concepts like time and numbers in a creative format. This book shows how different subjects – like math, poetry, and art – can blend together to make learning enjoyable and exciting.

The cover of the book Counting in Dog Years, which is a book that's great to share on Pi Day.

9. 7 Ate 9: The Untold Story by Tara Lazar

A playful math-themed caper where numbers, puns, and a missing 9 keep readers guessing until the very end. Filled with clever twists and lots of chuckles, it’s a book that begs to be read slowly, enjoyed, and then read again. Perfect for fans of fun wordplay and number humor, this story will leave kids laughing while learning to appreciate the playful side of math.

The cover of a great book about pi that is worth sharing on Pi Day.

10. Circle Rolls by Barbara Kanninen

This engaging story introduces young learners to shapes in a fun and interactive way. Through playful illustrations and simple, rhythmic text, children will explore how circles roll, spin, and fit into the world around them. This book encourages shape recognition and sparks curiosity about the world of math. It’s a great tool for making early math concepts both accessible and entertaining!

The cover of the book Circle Rolls, which is a great book to share on Pi Day.

11. Measuring Penny by Loreen Leedy

Follow a young girl as she measures her dog, Penny – from height to tail length – using different units. This fun story makes measurement easy to understand. Perfect for Pi Day, this book introduces math concepts in a lighthearted, engaging way, sparking curiosity through real-world connections.

The cover of an adorable book that has a young girl measuring all sorts of different things on her dog.

12. Blockhead: The Life of Fibonacci by Joseph D’Agnese

This vibrant picture book tells the story of Leonardo Fibonacci, a curious boy in medieval Italy who loved numbers so much he was called a blockhead. His fascination led to one of history’s most important mathematical patterns. With colorful illustrations and a glossary, this book makes complex math concepts fun and easy to grasp.

The cover of the book Blockhead, which is a great book about math that is great to share on Pi Day.

13. Math Curse by Jon Scieszka and Lane Smith

A hilarious look at how math is everywhere, this book follows a student who wakes up to find that everything in life has turned into a math problem. From figuring out how much time it takes to get ready in the morning to calculating fractions at lunch, math is actually inescapable! With witty wordplay and playful illustrations, this book is perfect for sparking curiosity and showing young readers that math is all around us.

The book cover of Math Curse.

Books About Pi Are a Fun Way to Learn

Books are an excellent tool for bringing Pi Day to life in the classroom or at home. They simplify complex concepts, making math feel less intimidating and more accessible for young learners.

By reading stories that explore pi, kids can develop a deeper understanding of this mathematical constant in a way that’s both fun and educational. These books often weave pi into exciting narratives and illustrations, allowing students to connect math to real-world experiences.

But not only do these books help students grasp the concept of pi, they also spark curiosity and inspire a love for learning. Through clever storytelling, kids are encouraged to think critically and ask questions about math in new ways. The engaging plots and vibrant artwork make math come alive and can even serve as a great introduction to other mathematical principles.

With stories and real-world connections, books about pi make math math exciting and approachable for students young and old.

A young boy laying on the ground with a book about pi in his hands. He's really enjoying this read.

Other Fun Pi Day Activities

Reading a book about pi is a great way to celebrate Pi Day, but why stop there?

Here are some more engaging activities to bring Pi Day to life:

Pi Recitation Contest

See how many digits of pi students can memorize and recite. This friendly competition makes for a fun and engaging way to celebrate Pi Day.

Focused multiracial students writing down the number of pi after reading a book about pi. There are 3 kids at a table.

Create Spiral Art

Turn pi into art by having students trace circular objects using different coloured pencils or markers. This hands-on activity blends creativity with math in a visually stunning way.

Pi Day Card Game

Have players flip cards and try to create the digits of pi in order. This fast-paced challenge reinforces number recognition and memory skills in a fun and interactive way!

Pi Jokes for Kids

Bring laughter into your classroom with Pi Day jokes! Sharing math-themed jokes is a fun way to engage students, lighten the mood, and celebrate the joy of learning.

The Wrap-Up: Books About Pi Day for Kids

Reading math-related books is a fantastic way to spark curiosity about pi and math in general, making Pi Day both educational and fun. These books help kids grasp key concepts while fostering a love for learning, making them the perfect addition to any Pi Day celebration.

📌 Don’t lose this list – pin it for endless Pi Day fun!

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