The Cryptoclub

Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings. Classic coding methods are discussed, such as Caesar, substitution, Vigenère, and multiplicative ciphers as well as the modern RSA. Math topics covered include: - Addition and Subtraction with, negative numbers, decimals, and percentages - Factorization - Modular Arithmetic - Exponentiation - Prime Numbers - Frequency Analysis. The accompanying workbook, The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes provides students with problems related to each section to help them master the concepts introduced throughout the book. A PDF version of the workbook is available at no charge on the download tab, a printed workbook is available for $19.95 (K00701). The teacher manual can be requested from the publisher by contacting the Academic Sales Manager, Susie Carlisle

This workbook, which accompanies The Cryptoclub, provides students with problems related to each section to help them master the concepts introduced throughout the book. A PDF version is available at no charge. This file can be found under our Downloads and Updates tab. The teacher manual can be requested from the publisher by contacting the Academic Sales Manager, Susie Carlisle

The latest from New York Times bestselling, Goodread's Choice Award-winning, Eisner Award-nominated and Ringo Award-winning author Sarah Andersen is a delightful peek into the secret social lives of some of the world's most fascinating, monstrous, and mysterious creatures. Do you hate social gatherings? Dodge cameras? Enjoy staying up just a little too late at night? You might have more in common with your local cryptid than you think! Enter the world of Cryptid Club, a look inside the adventures of elusive creatures ranging from Mothman to the Loch Ness Monster. This humorous new series celebrates the unique qualities that make cryptids so desperately sought after by mankind (to no avail). After all, it's what makes us different that also makes us beautiful.

Through a careful treatment of number theory and geometry, Number, Shape, & Symmetry: An Introduction to Number Theory, Geometry, and Group Theory helps readers understand serious mathematical ideas and proofs. Classroom-tested, the book draws on the authors’ successful work with undergraduate students at the University of Chicago, seventh to tenth grade mathematically talented students in the University of Chicago’s Young Scholars Program, and elementary public school teachers in the Seminars for Endorsement in Science and Mathematics Education (SESAME). The first half of the book focuses on number theory, beginning with the rules of arithmetic (axioms for the integers). The authors then present all the basic ideas and applications of divisibility, primes, and modular arithmetic. They also introduce the abstract notion of a group and include numerous examples. The final topics on number theory consist of rational numbers, real numbers, and ideas about infinity. Moving on to geometry, the text covers polygons and polyhedra, including the construction of regular polygons and regular polyhedra. It studies tessellation by looking at patterns in the plane, especially those made by regular polygons or sets of regular polygons. The text also determines the symmetry groups of these figures and patterns, demonstrating how groups arise in both geometry and number theory. The book is suitable for pre-service or in-service training for elementary school teachers, general education mathematics or math for liberal arts undergraduate-level courses, and enrichment activities for high school students or math clubs.

Finding fulfillment in both love and work isn't easy--but it's possible. The majority of couples today are dual-career couples. As anyone who's part of such a relationship knows, this presents big challenges: trying to raise kids and achieve career goals while caring for and supporting your partner can seem impossible. Yet most advice for dual-career couples fails, framing the challenges as a zero-sum game in which one partner’s gain is the other's loss and solutions feel like sacrifices or unsatisfactory trade-offs. This book is different. In Couples That Work, INSEAD professor Jennifer Petriglieri rejects conventional, one-size-fits-all solutions and instead focuses on how dual-career couples can tackle and resolve the challenges they face throughout their lives--together. She identifies three key phases of exploration and personal growth in every couple's work-life journey, showing how partners must navigate these together to strengthen their bond. Each phase is crystallized with a question: How can we make this work? The first phase focuses on the logistics of combining two busy lives and often involves the demands of young children. What do we really want? In the second phase, couples learn to navigate their midlife crises in ways that allow each partner to continue to feel happy and fulfilled. Who are we now? With careers winding down and kids grown up, this last phase offers new freedoms--and uncertainties. Based on a five-year research project, the book includes interviews with couples from over thirty countries--from executives to entrepreneurs and from twentysomething newlyweds to dual-career grandparents. Filled with vivid real-life stories, keen insights, and engaging exercises, Couples That Work will help couples develop their own unique answers to that most pressing question: How can we successfully combine love and work?