Football is a very rough and physical sport that nevertheless takes a lot of thought and strategy. Players must have an instinctive understanding of distance, time, speed, and the trajectory of the ball. In this book, readers will get a behind-the-scenes look at some of the math behind football. Readers will also be challenged to figure out the answers to some problems along the way, all while they learn about their favorite sport.

Teaches mathematics skills by introducing word problems and the simple steps to solving them.

Illustrated riddles introduce strategies for solving a variety of math problems in using visual clues.

Basketball is a fast-paced game that keeps sports fans on the edge of their seats as players dribble the ball up and down the court at lightning speeds. Readers unlock the mysteries of three-point conversions, free throw percentages and so much more. The book will grab and hold young people's attention and give them math skills they can carry with them for a lifetime.

"Have you ever wondered how people counted to 100 before modern numbers were invented? A basic explanation of Roman numerals, examples of how they are used today, and step-by-step guides on how to use them are explored through diagrams, photos, and informative and engaging text in this newest addition to the How Do series"

Journey into the natural world in the fall and discover that numbers, patterns, shapes -- and much more! -- can be found by observing everyday plants and animals.

"Manny, Olivia, and Mei go apple picking and sort their red, green, and yellow apples by color. But then they find an apple that's all three colors. What should they do?"--Provided by publisher.

Make math fun with Weigh It! Fun photographs, colorful graphics, and simple text are used to teach young readers basic math concepts. From Scales to Metric System to Standard System this book will help kids develop the skills they need. A simple activity at the end of the book encourages kids to put weight to use! Aligned to Common Core standards and correlated to state standards. Sandcastle is an imprint of Abdo Publishing, a division of ABDO.

Learn how to make wise money decisions when shopping for toys.

With full-color photos and simple, engaging language, this book introduces young readers to word problems involving money, helping them learn the skills needed to handle money on a daily basis. Words to Know help students learn new vocabulary and "Moments in Minting" sidebars introduce young readers to interesting facts about currency.