Calvin the Clownfish swims through the coral reef, counting the clownfish in every group.Will he ever find the perfect buddy to swim with?Join Calvin on an underwater adventure and learn about odd and even numbers along the way!Read fun facts about clownfish!Jump-start your child's advancement in numeracy with the Happy Learning Math series. Your child will delight in the fun stories about animals and encounter Math concepts, such as ordinal numbers, counting, skip counting, addition, subtraction and more.Materials for interactive play are also included, turning each book into a hands-on experiential learning tool. Fun Science facts are also weaved into each story to spark your child's curiosity about the world.This book comes with bonus fun and interactive elements to reinforce your child's learning of Math concepts!