It's hard work, taking care of 5 little ducks. But when each little duck comes home with a friend -- oh, no! Now it's double the ducks and double the work. How can 1 little boy get everything done? Understanding how to double numbers helps children master both addition and multiplication. Fun, friendship, and lots of ducks make learning this essential skill both easy and entertaining.

Theodora the duck sets a good example for her friend Chad, but who is the odd duck?

Discrete Mathematics with Ducks, Second Edition is a gentle introduction for students who find the proofs and abstractions of mathematics challenging. At the same time, it provides stimulating material that instructors can use for more advanced students. The first edition was widely well received, with its whimsical writing style and numerous exercises and materials that engaged students at all levels. The new, expanded edition continues to facilitate effective and active learning. It is designed to help students learn about discrete mathematics through problem-based activities. These are created to inspire students to understand mathematics by actively practicing and doing, which helps students better retain what they’ve learned. As such, each chapter contains a mixture of discovery-based activities, projects, expository text, in-class exercises, and homework problems. The author’s lively and friendly writing style is appealing to both instructors and students alike and encourages readers to learn. The book’s light-hearted approach to the subject is a guiding principle and helps students learn mathematical abstraction. Features: The book’s Try This! sections encourage students to construct components of discussed concepts, theorems, and proofs Provided sets of discovery problems and illustrative examples reinforce learning Bonus sections can be used by instructors as part of their regular curriculum, for projects, or for further study

Steve and Carl are ducks. Steve likes cans. Carl likes socks. But Steve and Carl don't like being called dumb by seagulls. Steve and Carl don't get mad. Steve and Carl don't get angry. Steve and Carl get even, though not in the way they originally intended. Maxwell Eaton, creator of the Max and Pinky books, introduces us to two lovable and quirky ducks who kids are sure to cheer for in this clever anti-bullying book.

Brrriiiing! Recess time! Little chimps Jill and Jake find more than just their favorite games in the schoolyard today. They also discover the important mathematical concept of doubling, or adding a number to itself. Easy to learn and fun to memorize, doubling is a valuable problem-solving tool that helps kids prepare for multiplication. A must-have addition to any math-themed picture book library, Double Play makes this arithmetic lesson as welcome as recess.

The stars of the bestselling Duck & Goose books return in this board book for preschoolers, this time, to introduce basic opposites. Now an animated series, available to stream on Apple TV+! In this ALA-ALSC Notable Children's Book, Goose carries an oh-so-heavy log, while duck easily balances a light-as-a-feather feather. Thistle is one fast bird, but Goose is slooo-w. And when Duck is sound asleep, Goose is wide awake. With a simple text and colorful illustrations–plus the inimitable characters, of course–here’s a wonderful, and humorous, introduction to an important concept.

10 little rubber ducks overboard! Get swept away on a high-seas voyage of discovery with 10 little rubber ducks as they float to every part of the world. They all find adventure, but one duck finds something very special!

Follow Quick Duck on his journey to the pond for a swim.

When her five little ducks disappear one by one, Mother Duck sets out to find them.

"Pitch-perfect throughout, enthusiastic and confident. . . . Positively ducky all around." — Publishers Weekly (starred review) The young girl in this story may live in the city, but outside her window there’s a river full of mallard ducks! She hears them as soon as she wakes up, and on the way to school she sees them upside down bobbing for food. Interspersed with fun facts, her enthusiastic commentary about her feathered neighbors — what they look like, how they behave, where they nest, where they sleep — pairs swimmingly with cheerful watercolor illustrations. Back matter includes an index and a note about ducks.