Learn about the connection between math and football. More →

Taxes are collected to support federal, state, and local governments. Who decides how much tax each citizen pays? What does tax money pay for? Read this book to find the answers to these… More →

People use money to pay for the things they want and need. But what exactly is money? Where does it come from? Are checks and credit cards money? Read this book to find the answers to these… More →

Do you have a great idea? Do you think customers would pay to buy your product or service? Read this book to learn more about starting your own business and why good math skills are necessary More →

Do you have time, talent, or money that you can use to help others in need? Have you ever wondered which charities you should support or how much you can afford to give? Read this book to… More →

This book uses math and science to help students learn about Continents. Math challenge questions provide students with the opportunity to apply math skills as they learn about the… More →

This book uses math and science to help students learn about glaciers. Math challenge questions provide students with the opportunity to apply math skills as they learn about the… More →

This book uses math and science to help students learn about Islands. Math challenge questions provide students with the opportunity to apply math skills as they learn about the… More →