Prealgebra

This math workbook, authored by Chris McMullen, Ph.D., is focused on essential prealgebra skills. It includes examples, plenty of practice problems, answers, and full solutions to most problems. Topics include:
-order of operations; PEMDAS
-fractions, decimals, and percents
-exponents and square roots
-a beginning introduction to working with variables
-ratios and rates
-negative numbers
-other prealgebra skills