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

When George's mother asks him to add one plus one, two plus two, and three plus three, George would rather eat, go for a walk, and take a nap. But soon George finds himself in a colorful dream about . . . numbers!

Rhyming text and illustrations demonstrate how many pumpkins it takes to fill a wagon and how quickly they add up each time the number is doubled.

In this rhyming sequel to One Odd Day, the young boy awakens to find that it is another strange day now everything is even, and his mother has two heads! This time, a school field trip to the zoo is dealt with in an odd, but even-handed manner. Includes "For Creative Minds" section with fun facts and number games.

When a box containing a penguin arrives anonymously on New Year's Day, a family of four is puzzled, but as they continue to receive one penguin each day their problems--and food budget, and storage issues--are multiplied.

Evan and his younger sister, Jessie, 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 one hundred dollars.

"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.

When arithmetic strain scrambles a student's brain, no one in town is safe from the numbers that go flying out of the child's head.

Twelve children on a class trip to the zoo have fun grouping themselves into lines of different sizes.

"As the Arithmechicks slide down the slide, swing on the swings, and play hide-and-seek, they don't realize that a lonely mouse is copying them, longing to join in. However, when their basketball becomes stuck, the chicks discover that a two-inch-tall new friend is exactly what they need. In this heartwarming story, there are many ways to add up ten cheerful chicks--but a new friend is what makes them cheer. The book includes a helpful glossary that...