Math Is CATegorical ®

From the author and illustrator duo of the best-selling Words Are CATegorical® series, Math Is CATegorical® introduces basic math concepts for young readers and reveals that sometimes math is easier to show than explain! Pairing clever rhyming verse with comical cartoon cats, Brian P. Cleary and Brian Gable help children add up just how fun math can be!

List all available products →
Cover: A Dollar, a Penny, How Much and How Many?
Cover: A Second, a Minute, a Week with Days in It: A Book about Time
Cover: A Fraction's Goal — Parts of a Whole
Title Season Add to Cart
A-B-A-B-A—a Book of Pattern Play
The Action of Subtraction
A Dollar, a Penny, How Much and How Many?
A Fraction's Goal — Parts of a Whole
How Long or How Wide?: A Measuring Guide
The Mission of Addition
On the Scale, a Weighty Tale
A Second, a Minute, a Week with Days in It: A Book about Time
Windows, Rings, and Grapes — a Look at Different Shapes
  • Available in limited formats
  • Soon! Fall 2025
  • New! Spring 2025
  • New! Fall 2024
Title Season Add to Cart
Math Is CATegorical ® Audisee® eBooks with Audio Bundle (Multi-User) — Audisee®—On Level Set
Audisee®—On Level $179.91, 6 titles
Math Is CATegorical ® — Paperback Set
Paperback $76.86, 9 titles
  • Available in limited formats
  • Soon! Fall 2025
  • New! Spring 2025
  • New! Fall 2024