More than one hundred vivid photographs of the LGBTQ revolution—and its public and intimate moments in the 1960s and 70s—that lit a fire still burning today.A ragtag group of women protesting behind a police line in the rain. A face in a crowd holding a sign that says, “Hi Mom, Guess What!” at a gay rights rally. Two lovers kissing under a tree. These indelible images are among the thousands housed in the New York Public Library’s archive of photographs of 1960s an...

This examination of elementary algebra begins with the essential first step: explaining how algebra is relevant to real life. After that, readers will be taken on a journey through the highlights of algebra, from its basic principles through real numbers and the application of algebra’s fundamental concepts. Diagrams and equations, as well as repetition and building on concepts, help make difficult concepts clear. Sidebars highlighting important historical figures in the field of algebra b...

Make a geodesic dome big enough to sit in. Solve one of the world's hardest two-piece puzzles. Pass a straight line through a curved slot.From prime numbers to paraboloids, Amazing Math Projects You Can Build Yourself introduces readers ages 9 and up to the beauty and wonder of math through hands-on activities. Kids will cut apart shapes to discover area formulas, build beautiful geometric models to explore their properties, and amaze friends with the mysterious Möbius str...

Educational Assessments"Mathematically, I think the lessons are very well done. I like the emphasis on translating phrases into mathematical expressions and the practice with decimal arithmetic."—Yale Professor Michelle Lacey, PhD, Statistics, Yale University"Math classrooms require a great deal of reading to solve problems and this comic book provides students with an opportunity to dive right into a magical math world."—Monica Burns, Apple Di...

Arithmetic factors into our lives on a daily basis, so it's hard to imagine a world without the six basic operations: addition, subtraction, multiplication, division, raising to powers, and finding roots. Readers will get a solid overview of arithmetic, while offering useful examples of how they are used in routine activities, such as social media applications. It reinforces Common Core math standards, including understanding basic math concepts and how they apply to students' daily lives ...

Learning times tables is a necessity for all children and this book makes it clear, easy and fun to do. Once they have mastered all the numbers in the yellow panels they will know them all!

Exam Board: IBLevel: MYPSubject: MathematicsFirst Teaching: September 2016First Exam: June 2017The only series for MYP 4 and 5 developed in cooperation with the International Baccalaureate (IB)Develop your skills to become an inquiring learner; ensure you navigate the MYP framework with confidence using a concept-driven and assessment-foc...

Educational Assessments"As for the mathematical content, I think the introduction to sequences is excellent and it’s nice that readers are given a general expression for deriving the value of any of the terms in Arithmetic’s tail"—Yale Professor Michelle Lacey, PhD, Statistics, Yale University"Students will be introduced to big ideas that are introduced step-by-step to make sure they understand. If your children like to play games, this is a great ...

Join Sir Cumference and the gang for more wordplay, puns, and problem solving in the clever math adventure that introduces readers to the concept of fractons.Sir Cumference and Lady Di discover "Fracton numbers" while purchasing cloth and cheese at the Fracton Faire. While two-fourths may seem like the same as one-half, in truth it denotes two parts of one-half, or two quarters of the whole. But the real mystery is the fact that items at the fair keep disappearing, and Sir C, Lady ...

This intriguing title teaches readers the history of number systems. From Egyptian times to the modern day, this text covers the number systems of the Roman Empire, the Maya Empire, the Inca Empire, Babylon, and India. This full-color book teaches students about operations and algebraic reasoning, introducing them to new concepts and vocabulary terms like place value, rounded numbers, exact numbers, the binary system, and more. Primary sources like maps, images, and illustrations will enga...

A freak sandstorm seals you inside a pyramid in the desert! The only way out is by solving puzzles that lead you past a snake pit, booby traps, and a treasure cave. Devised by an expert on brain training, these mental gymnastics will help you outsmart the tomb's ancient curse! You can't skip a puzzle, but there are hints to help and full answers to help you on your way.

Gods and goddesses—in human, animal, and other forms—were central to the ancient Egyptian way of life. Identified with the natural world, daily living, and the afterlife, they maintained order and prevented chaos from permeating the human world. The figures documented in ancient hieroglyphics are given dimension in this absorbing volume, which examines the characteristics and significance of many of the Egyptian gods and goddesses and also looks at related topics such as ancient symbols an...