Dylan and Della dive into the dark ocean to hunt for fish using echolocation.Can they trap their biggest meal yet?Join Dylan and Della on an exciting adventure and learn about place values along the way!Read fun facts about dolphins!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!

Dylan and Della dive into the dark ocean to hunt for fish using echolocation.Can they trap their biggest meal yet?Join Dylan and Della on an exciting adventure and learn about place values along the way!Read fun facts about dolphins!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!