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The 100 Hats of the Cat in the Hat: A Celebration of the 100th Day of School (The Cat in the Hat's Learning Library) Hardcover – Picture Book, August 6, 2019

by Tish Rabe (Author), Aristides Ruiz (Illustrator), Joe Mathieu (Illustrator)
4.7 4.7 out of 5 stars 240 ratings
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Laugh and learn with fun facts about counting, adding, and dividing with 100—all told in Dr. Seuss’s beloved rhyming style and starring the Cat in the Hat!

“Get ready to count, multiply, and divide. We don’t want to be late, so jump in and let’s ride!”

The Cat in the Hat’s Learning Library series combines beloved characters, engaging rhymes, and Seussian illustrations to introduce children to non-fiction topics from the real world! When the Cat in the Hat visits on the 100th day of school, he teaches kids how to:

  • add and subtract
  • skip count
  • multiply and divide in groups of 2, 5, 10, and 25
  • and much more!

Perfect for story time and for the youngest readers, The 100 Hats of the Cat in the Hat: A Celebration of the 100th Day of School also includes an index, glossary, and suggestions for further learning.

Look for more books in the Cat in the Hat’s Learning Library series!
High? Low? Where Did It Go? All About Animal Camouflage
Is a Camel a Mammal? All About Mammals
A Great Day for Pup: All About Wild Babies
Would You Rather Be a Pollywog? All About Pond Life
Happy Pi Day to You! All About Measuring Circles
I Can Name 50 Trees Today! All About Trees
Fine Feathered Friends: All About Birds
My, Oh My--A Butterfly! All About Butterflies
Oh Say Can You Seed? All About Flowering Plants
Inside Your Outside! All About the Human Body
Ice is Nice! All About the North and South Poles
Read more Read less
Previous page
  1. Reading age
    5 - 8 years
  2. Part of series
    Cat in the Hat's Learning Library
  3. Print length
    48 pages
  4. Language
    English
  5. Grade level
    Kindergarten - 3
  6. Lexile measure
    540L
  7. Dimensions
    6.75 x 0.37 x 9.25 inches
  8. Publisher
    Random House Books for Young Readers
  9. Publication date
    August 6, 2019
  10. ISBN-10
    0525579958
  11. ISBN-13
    978-0525579953
  12. See all details
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Editorial Reviews

About the Author

Tish Rabe is a bestselling author of more than 160 books for children—including 18 books in the Cat in the Hat’s Learning Library series. She is dedicated to early-childhood literacy and sits on the advisory board of Reach Out and Read Connecticut. Tish is a proud mom, stepmom, and grandma. She divides her time between New York City and Connecticut. Visit her on the web at tishrabe.com.

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

Joe Mathieu has illustrated countless books for children, including Big Frank’s Fire Truck, Sesame Street titles, books in the Cat in the Hat’s Learning Library series, and many more.

Product details

  • Publisher ‏ : ‎ Random House Books for Young Readers (August 6, 2019)
  • Language ‏ : ‎ English
  • Hardcover ‏ : ‎ 48 pages
  • ISBN-10 ‏ : ‎ 0525579958
  • ISBN-13 ‏ : ‎ 978-0525579953
  • Reading age ‏ : ‎ 5 - 8 years
  • Lexile measure ‏ : ‎ 540L
  • Grade level ‏ : ‎ Kindergarten - 3
  • Item Weight ‏ : ‎ 7.8 ounces
  • Dimensions ‏ : ‎ 6.75 x 0.37 x 9.25 inches
  • Customer Reviews:
    4.7 4.7 out of 5 stars 240 ratings

About the author

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Aristides Ruiz

Aristides Ruiz

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New Jersey native and "constant scribbler" Aristides ("Art") Ruiz has illustrated 100+ books with over 60 Dr. Seuss titles including projects for GREEN EGGS & HAM, HORTON, THE GRINCH, and THE CAT IN THE HAT.

He is the illustrator of The Cat in the Hat's Learning Library books since 1998 with 40+ titles (and counting) thus far in the series.

A versatile artist, he divides his time between illustrating for Seuss and fine art painting because... well,.. he's a scribbler. He's constantly scribbling...like a lot.

Customer reviews

4.7 out of 5 stars
4.7 out of 5
240 global ratings
Fun Math and a Celebration of the 100th Day of School!
5 Stars
Fun Math and a Celebration of the 100th Day of School!
Classic Dr. Seuss characters teach real math with classic Seuss rhymes by focusing on the number 100 and celebrating the 100th day of school. Real counting tips made fun by Thing 2 and Thing 1. Groups of 5 and groups of 10 showing different ways of learning with numbers both odd and even. My favorite setting is Grandpa Steven's 100th birthday party where his numbered grandchildren are half odd and half even and compete in a tug-of-war. This books is entertaining fun for all ages while teaching real math.
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Top reviews from the United States

James H.
5.0 out of 5 stars Great
Reviewed in the United States on April 5, 2024
Verified Purchase
My granddaughter loved it.
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Katherine Hudgens
5.0 out of 5 stars Not Exactly what I expected
Reviewed in the United States on March 11, 2021
Verified Purchase
This was much different that I was expecting! I wish we were able to see previews of the book! I got it for my PreK class and felt it was too old for them had to skip over areas. But it was a cute book.
One person found this helpful
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happymommy2
5.0 out of 5 stars Fun and educational
Reviewed in the United States on March 5, 2021
Verified Purchase
Fun way to celebrate 100 days in our homeschool.
One person found this helpful
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Melissa
5.0 out of 5 stars Great book for building math skills!
Reviewed in the United States on September 12, 2019
Verified Purchase
Fantastic book! I got this for my 5-year old niece and nephew, and they love it. It’s both simple and challenging, a must-have!
3 people found this helpful
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Eddie
5.0 out of 5 stars Easy read
Reviewed in the United States on January 14, 2020
Verified Purchase
Perfect for grade school kids.
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Terry A. Solowey
5.0 out of 5 stars A great mathematical read that reinforces concepts on celebrating the 100th day of school!
Reviewed in the United States on November 12, 2019
I read this book to a group of first graders who were excited to hear. They celebrate the 100th Day of School and in the days leading up to it, do many of the counting by 10, addition and subtraction exercises. They enjoyed the variety of stories from the hundreds chart. to counting bundles of sticks to the ten frame of hats and more. They are always thrilled to read Cat in the Hat books, and now are aware of a new author to them, Tish Rabe who writes Dr. Seuss' books.
2 people found this helpful
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Elizabeth Saede
5.0 out of 5 stars Fun Math and a Celebration of the 100th Day of School!
Reviewed in the United States on September 3, 2019
Classic Dr. Seuss characters teach real math with classic Seuss rhymes by focusing on the number 100 and celebrating the 100th day of school. Real counting tips made fun by Thing 2 and Thing 1. Groups of 5 and groups of 10 showing different ways of learning with numbers both odd and even. My favorite setting is Grandpa Steven's 100th birthday party where his numbered grandchildren are half odd and half even and compete in a tug-of-war. This books is entertaining fun for all ages while teaching real math.
Customer image
Elizabeth Saede
5.0 out of 5 stars Fun Math and a Celebration of the 100th Day of School!
Reviewed in the United States on September 3, 2019
Classic Dr. Seuss characters teach real math with classic Seuss rhymes by focusing on the number 100 and celebrating the 100th day of school. Real counting tips made fun by Thing 2 and Thing 1. Groups of 5 and groups of 10 showing different ways of learning with numbers both odd and even. My favorite setting is Grandpa Steven's 100th birthday party where his numbered grandchildren are half odd and half even and compete in a tug-of-war. This books is entertaining fun for all ages while teaching real math.
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One person found this helpful
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Sheila Adams
5.0 out of 5 stars Educational and Fun
Reviewed in the United States on October 10, 2019
This book is a wonderful introduction, or review, of the number 100. As a teacher, I understand the importance of students being able to manipulate this incredibly important number in our Base Ten number system. Whether through addition & subtraction, or multiplication & division, an understanding of how to make 100 is a foundational skill for all young learners. Additionally, the rhythm and rhyme of this book will have you convinced that it was written by Dr. Seuss himself!
One person found this helpful
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