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.

Over 100 kid-friendly story math problems on topics from missing socks and glitter to your favorite wild pet and how fast you can run. Kids will find that math surrounds them in their everyday lives.

"Actress, math whiz, and New York Times bestselling author Danica McKellar uses her proven math techniques to show children there's more than one way to make 10 from two numbers...and more than one way to fly!"--Back cover.

Learn to count with adorable puppies and kittens.

Eloise would rather tease her tutor, Philip, than let him teach her math.

Introduces basic concepts in mathematics through the plants, animals, and natural phenomena associated with fall.

Discusses different uses of math when traveling, such as looking at maps and counting signs.

Does that statistic make sense? How much will this round of drinks come to? And what are the chances of winning the lottery? Twice? Learn how to do complex maths with nothing but the back of an envelope, a pencil and some good old-fashioned brain power. Doing mathematics without a calculator seems like an unnecessary feat in the twenty-first century. These clever little electronic devices have helped to take away the drudgery of arithmetic, and given...