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