Master the building blocks of mathematics! Not everyone is born a math whiz. Sometimes, all you need is a little extra help and practice to improve your comprehension. If you''re a student encountering complex math for the first time, a parent wanting to help with homework, or an adult returning to school, The Everything Guide to Pre-Algebra is perfect for you. This essential guide uses simple explanations, step-by-step examples, and lots of review exercises to cover all the pre-algebra basics, including: Rational and irrational numbers Fractions, decimals, and percents Variables and functions Expressions and equations Number properties Inequalities Absolute values Plane geometry With unique study strategies and proven test-taking tips, The Everything Guide to Pre-Algebra will help boost your math knowledge--and your confidence--one right answer at a time.