How Long or How Wide?: A Measuring Guide (Math Is CATegorical ®)

On the Scale, a Weighty Tale (Math Is CATegorical ®)

How Big Is a Foot? (Rise and Shine)

I'm and Won't, They're and Don't: What's a Contraction? (Words Are CATegorical ®)

Me and the Measure of Things

The Action of Subtraction (Math Is CATegorical ®)

Quirky, Jerky, Extra Perky: More about Adjectives (Words Are CATegorical ®)

Inchworm and A Half

Lazily, Crazily, Just a Bit Nasally: More about Adverbs (Words Are CATegorical ®)

A Second, a Minute, a Week with Days in It: A Book about Time (Math Is CATegorical ®)

Hairy, Scary, Ordinary: What Is an Adjective? (Words Are CATegorical ®)