Evan and his younger sister, Jesse, react very differently to the news that they will be in the same class for fourth grade and as the end of summer approaches, they battle it out through lemonade stands, each trying to be the first to earn 100 dollars. Includes mathematical calculations and tips for running a successful lemonade stand.

"Explores the concepts of ratio and proportion by growing or shrinking various objects by the same amounts".

Max and his brothers drive to Shapeville and Count Town searching for problems, and are able to use their skills in arithmetic and sleuthing to help get things ready for a rocket launch.

When Leonard starts attending Superhero School he is disappointed to find that all they learn is math, but when the ice zombies strike, Leonard and his classmates put their newly-acquired knowledge to good use.

An introduction to the beauty, simplicity, and fun of mathematical formulas explains their essentials and disciplines through everyday examples, mnemonics, and brain-teasing tricks.

Animals make perfect counting company! The simple language teaches young readers mathematical terms and counting concepts. Learn to count by 5s in the Busy Beavers book in this adorable series that counts the critters. Special thanks to content consultants Paula J. Maida, PhD. Looking Glass Library is an imprint of Magic Wagon, a division of ABDO Publishing Group. Grades preK-3.

A group of monarch butterflies that is getting ready to migrate demonstrates how to count by tens and provides facts about monarch butterflies.