Practice Exercises in Basic Math, by Dr. Albert Filano, features single-skill lessons that give students the repetition and reinforcement they need to achieve true mastery in mathematics. Skill Lessons Provide the Additional Reinforcement Most Students Need: Exercises correlated to most states grade-level objectives. Single-skill focus is ideal for remediation and intervention. Clear explanations and illustrated examples. Lessons Include: numbers and numeration,place value, computation of whole numbers, fractions and decimals, customary and metric measurements, geometry, time , money, percents, perimeter area, volume.