Rich selection of 100 practice problems - with hints and solutions - for students preparing for the William Lowell Putnam and other undergraduate-level mathematical competitions. Features real numbers, differential equations, integrals, polynomials, sets, other topics. Hours of stimulating challenge for math buffs at varying degrees of proficiency. References.

Ya fuera por una somnolencia excesiva durante la tarde anterior, o por las preocupaciones hostiles, o por insomnio puro, la realidad es que Charles L. Dodgson (o, como lo conoce la mayoría de la gente, Lewis Carroll) tenía problemas para conciliar el sueño. Y ante esta situación del tipo "entre la espada y la pared", decidió convertir sus noches de vigilia en noches de actividad creativa. Entre 1872 y 1890 pensó y resolvió los 72 Problemas...

This ultimate parents' guide to elementary school math features projects, games, and activities children and parents can do together to increase their understanding of basic math concepts. Fun activities such as mapping a child's bedroom for practice in measurements or keeping a diary of numeric items like vacation mileage and expenses reinforce the math skills outlined in each lesson. Using the standards issued by the National Council of Teachers...

Australia is a land of extremes-from the bustling city of Sydney to the wild lands of the outback. Learning about this land allows readers to explore important topics in both social studies and math curricula. As they read, they use fun facts and stats to solve math problems, which can then be checked with a comprehensive answer key. Readers also explore colorful maps of the continent that are designed to enhance their geography skills. Colorful photographs...

Math rocks! At least it does in the gifted hands of Sean Connolly, who blends middle school math with fantasy to create an exciting adventure in problem-solving. These word problems are perilous, do-or-die scenarios of blood-sucking vampires (How many months would it take a single vampire to completely take over a town of 500,000 people?), or a rowboat of 5 shipwrecked sailors with a single barrel of freshwater (How much can they drink, and for how...

Straightforward advice on how to be a responsible shopper.

Introducing sophisticated mathematical ideas like fractals and infinity, these hands-on activity books present concepts to children using interactive and comprehensible methods. With intriguing projects that cover a wide range of math content and skills, these are ideal resources for elementary school mathematics enrichment programs, regular classroom instruction, and home-school programs. Reproducible activity sheets lead students through a process...

This handy guide gives you opportunities to practice solving problems that you'll encounter in your basic math and pre-algebra course. Each practice question includes a step-by-step explanation.

Master the fundamentals first for a smoother ride through math Basic Math & Pre-Algebra Workbook For Dummies is your ticket to finally getting a handle on math! Designed to help you strengthen your weak spots and pinpoint problem areas, this book provides hundreds of practice problems to help you get over the hump. Each section includes a brief review of key concepts and full explanations for every practice problem, so you'll always know exactly where...