For Dummies | 2010 | 192 pages | ISBN: 0470618388 | PDF | 3,3 MB
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
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