Poor Duncan can't catch a break! First, his crayons go on strike. Then, they come back home. Now his...

A beautiful way to introduce babies and toddlers to the wondrous world of numbers

Curious Me!®...

A visual approach to learning about numbers presents an entertaining and educational reference that...

Learn to count with this children’s bilingual picture dictionary. English-Khmer (Cambodian) Numbers...

The 100th day of school is one of the most celebrated days of the entire school year - next to the...

From 1 spider to 1,000 seahorses, the author uses clues from animals’ lives to come up with amazing...

Math in the morning, math in the afternoon, math at night—Paul loved math! He thought about it all...