Pre-Algebra Essentials for Dummies

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Just the critical concepts you need to score high in pre-algebra This practical, friendly guide focuses on critical concepts taught in a typical pre-algebra course, from fractions, decimals, and percents to standard formulas and simple variable equations. Pre-Algebra Essentials For Dummies is perfect for cramming, homework help, or as a reference for parents helping kids study for exams. * Get down to the basics -- get a handle on the basics of math, from adding, subtracting, multiplying, and dividing to exponents, square roots, and absolute value * Conquer with confidence -- follow easy-to-grasp instructions for working with fractions, decimals, and percents in equations and word problems * Take the "problem" out of word problems -- learn how to turn words into numbers and use "x" in algebraic equations to solve word problems * Formulate a plan -- get the lowdown on the essential formulas you need to solve for perimeter, area, surface area, and volume Open the book and find: * How to find the greatest common factor and least common multiple * Tips for adding, subtracting, dividing, and multiplying fractions * How to change decimals to fractions (and vice versa) * Algebraic expressions and equations * Essential formulas * How to work with graphs and charts Learn to: * Work with and convert fractions, decimals, and percents * Solve for variables in algebraic expressions * Get the right answer when solving basic math problems