Pre-Algebra - Mathematics Concepts and Skills - Course 2 Chapter 6 - Operations With Rational Numbers
 Section Title Tutorials for this book more examples (pop-ups) 6.1 Adding and Subtracting Fractions 11 15 17 21 23 6.2 Using a Least Common Denominator 17 21 23 27 31 6.3 Multiplying Fractions 21 23 27 31 33 39 41 45 6.4 Multiplying with Percents 11 15 17 23 27 6.5 Dividing Fractions 13 15 31 33 6.6 Solving Equations with Rational Numbers 9 11 15 19 23 27 6.7 Multiplying and Dividing Powers 11 13 15 19 25 27 6.8 Negative and Zero Exponents 15 17 19 23 25 29 31 6.9 Scientific Notation 15 19 23 25 39 45 51
 Suggested Assignments 6 Operations with Rational Numbers Pages Exercises 6.1 Adding and Subtracting Fractions 271-272 10-24, 26-27, 34-35 6.2 Using a Least Common Denominator 275-277 15-28, 32-34, 39-42, 59-60 6.3 Multiplying Fractions 281-282 20-34, 35-42, 45-46, 47-48, 51, 53-54, 55-56, 57-58 6.4 Multiplying with Percents 285-287 10-18, 22-25, 26-28, 35-37, 41, 45-52, 54-56, 60-62 6.5 Dividing Fractions 292-293 12-29, 30-35, 38-39, 40-44, 47-53 6.6 Solving Equations with Rational Numbers 297-298 8-15, 18-19, 23-24, 27-28, 31-34, 39-40, 42-44 6.7 Multiplying and Dividing Powers 301-302 10-23, 26-31, 38-39, 49-50 6.8 Negative and Zero Exponents 307-308 14-25, 30-33, 38-41, 48-49, 52-53, 59-60 6.9 Scientific Notation 311-313 11-14, 23-26, 35-37, 44-45, 50-52, 58-59, 62-63, 69-73, 80-83 Chapter Review 314-317 1-55 Chapter 6 Test

Section Lessons by Pre-AlgebraNotes.com

Online Scientific Calculator from Calculator.com

Math Glossary
(more sophisticated than it looks!)