Math Is CATegorical ®

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A-B-A-B-A—a Book of Pattern Play

A-B-A-B-A—a Book of Pattern Play

In this playful look at patterns, Brian P. Cleary and Brian Gable provide many examples of repeating sequences of shapes, colors, objects, and more. The comical cats of the wildly popular Words Are CATegorical® series show how patterns can be found...

How Long or How Wide?

How Long or How Wide?

Brian Cleary and Brian Gable bring their trademark sense of humor to the subject of measuring length. A rhyming text filled with funny examples explains how to use and compare metric and U.S. customary units of length. Readers are also introduced to...

On the Scale, a Weighty Tale

On the Scale, a Weighty Tale

In this wacky look at weight, Brian P. Cleary and Brian Gable introduce essential measurement units—from grams to pounds to tons. The comical cats of the wildly popular Words Are CATegorical® series show how to measure trucks, trains, ducks, cranes,...

The Action of Subtraction

The Action of Subtraction

The author and illustrator of the best-selling Words Are CATegorical® series brings their trademark sense of humor to the subject of subtraction. Rhyming text filled with funny, countable examples shows what it means to take one number away from...

The Mission of Addition

The Mission of Addition

In the first book of the Math Is Categorical® series, readers will become familiar with the concept of addition and its key terms.From the author and illustrator duo of the best-selling Words Are CATegorical® series, Math Is CATegorical® introduces...

Windows, Rings, and Grapes — a Look at Different Shapes

Windows, Rings, and Grapes — a Look at Different Shapes

In this humorous look at shapes, Brian P. Cleary and Brian Gable introduce circles, ovals, triangles, squares, and rectangles. The comical cats of the wildly popular Words Are CATegorical® series explain how to identify each shape and provide loads of...