Skill and Problem-Solving Exercises for Pre-Algebra Mathematics with Answer Key - *Operations With Integers *Operations With Fractions *Measurement *Operations With Mixed Numbers *Using Decimal Numbers *Using Percents *Using Rations and Proportions *Concepts From Geometry *Geometry and Its Uses *Roots and Exponents *Algebraic Concepts and Skills *Problem Solving With Equations *Algebraic Inequalities and Plotting Points